diff --git a/.eslintrc.js b/.eslintrc.js
deleted file mode 100644
index 400703d..0000000
--- a/.eslintrc.js
+++ /dev/null
@@ -1,19 +0,0 @@
-module.exports = {
-  env: {
-    browser: true,
-    es6: true,
-  },
-  extends: [
-    'airbnb-base',
-  ],
-  globals: {
-    Atomics: 'readonly',
-    SharedArrayBuffer: 'readonly',
-  },
-  parserOptions: {
-    ecmaVersion: 2018,
-    sourceType: 'module',
-  },
-  rules: {
-  },
-};
diff --git a/karma.conf.js b/karma.conf.js
new file mode 100644
index 0000000..45cb074
--- /dev/null
+++ b/karma.conf.js
@@ -0,0 +1,107 @@
+
+module.exports = function(config) {
+  config.set({
+    //root path location to resolve paths defined in files and exclude
+    basePath: '',
+    //files/patterns to exclude from loaded files
+    exclude: [],
+    //files/patterns to load in the browser
+    files: [
+      {pattern: './src/**/*.test.js',watched:true,served:true,included:true},
+      // {pattern: 'src/components/sign-in/google-sign-in/*.spec.js',watched:true,served:true,included:true}
+      /*parameters:
+          watched: if autoWatch is true all files that have set watched to true will be watched for changes
+          served: should the files be served by Karma's webserver?
+          included: should the files be included in the browser using <script> tag?
+          nocache: should the files be served from disk on each request by Karma's webserver? */
+      /*assets:
+          {pattern: '*.html', watched:true, served:true, included:false}
+          {pattern: 'images/*', watched:false, served:true, included:false} */
+    ],
+
+    //executes the tests whenever one of watched files changes
+    autoWatch: true,
+    //if true, Karma will run tests and then exit browser
+    singleRun:false,
+    //if true, Karma fails on running empty test-suites
+    failOnEmptyTestSuite:false,
+    //reduce the kind of information passed to the bash
+    logLevel: config.LOG_WARN, //config.LOG_DISABLE, config.LOG_ERROR, config.LOG_INFO, config.LOG_DEBUG
+
+    //list of frameworks you want to use, only jasmine is installed automatically
+    frameworks: ['jasmine'],
+    //list of browsers to launch and capture
+    browsers: ['Chrome'/*,'PhantomJS','Firefox','Edge','ChromeCanary','Opera','IE','Safari'*/],
+    //list of reporters to use
+    //  reporters: ['mocha','kjhtml'/*,'dots','progress','spec'*/],
+
+    //address that the server will listen on, '0.0.0.0' is default
+    listenAddress: '0.0.0.0',
+    //hostname to be used when capturing browsers, 'localhost' is default
+    hostname: 'localhost',
+    //the port where the web server will be listening, 9876 is default
+    port: 9706,
+    //when a browser crashes, karma will try to relaunch, 2 is default
+    retryLimit:0,
+    //how long does Karma wait for a browser to reconnect, 2000 is default
+    browserDisconnectTimeout: 5000,
+    //how long will Karma wait for a message from a browser before disconnecting from it, 10000 is default
+    browserNoActivityTimeout: 10000,
+    //timeout for capturing a browser, 60000 is default
+    captureTimeout: 60000,
+
+    client: {
+      //capture all console output and pipe it to the terminal, true is default
+      captureConsole:false,
+      //if true, Karma clears the context window upon the completion of running the tests, true is default
+      clearContext:false,
+      //run the tests on the same window as the client, without using iframe or a new window, false is default
+      runInParent: false,
+      //true: runs the tests inside an iFrame; false: runs the tests in a new window, true is default
+      useIframe:true,
+      jasmine:{
+        //tells jasmine to run specs in semi random order, false is default
+        random: false
+      }
+    },
+
+    /* karma-webpack config
+       pass your webpack configuration for karma
+       add `babel-loader` to the webpack configuration to make the ES6+ code readable to the browser */
+    webpack: {
+      module: {
+        rules: [
+          {
+            test: /\.js$/i,
+            exclude:/(node_modules)/,
+            loader:'babel-loader',
+            options:{
+              presets:['@babel/preset-env']
+            }
+          },
+          {
+            test: /\.pug$/,
+            use: ['pug-loader']
+          },
+        ]
+      }
+    },
+    preprocessors: {
+      //add webpack as preprocessor to support require() in test-suits .js files
+      './src/**/*.js': ['webpack'],
+      './src/**/*.pug': ['pug']
+      // './src/components/sign-in/google-sing-in/*.js': ['webpack','babel'],
+    },
+    webpackMiddleware: {
+      //turn off webpack bash output when run the tests
+      noInfo: true,
+      stats: 'errors-only'
+    },
+
+    /*karma-mocha-reporter config*/
+    // mochaReporter: {
+    //   output: 'noFailures'  //full, autowatch, minimal
+    // }
+  });
+};
+
diff --git a/my.conf.js b/my.conf.js
deleted file mode 100644
index fa294a1..0000000
--- a/my.conf.js
+++ /dev/null
@@ -1,69 +0,0 @@
-// Karma configuration
-// Generated on Fri Jul 19 2019 10:29:34 GMT+0300 (Eastern European Summer Time)
-
-module.exports = function (config) {
-  config.set({
-
-    // base path that will be used to resolve all patterns (eg. files, exclude)
-    basePath: '',
-
-
-    // frameworks to use
-    // available frameworks: https://npmjs.org/browse/keyword/karma-adapter
-    frameworks: ['jasmine'],
-
-
-    // list of files / patterns to load in the browser
-    files: [
-      './src/**/*test.js',
-    ],
-
-
-    // list of files / patterns to exclude
-    exclude: [
-    ],
-
-
-    // preprocess matching files before serving them to the browser
-    // available preprocessors: https://npmjs.org/browse/keyword/karma-preprocessor
-    preprocessors: {
-    },
-
-
-    // test results reporter to use
-    // possible values: 'dots', 'progress'
-    // available reporters: https://npmjs.org/browse/keyword/karma-reporter
-    reporters: ['progress'],
-
-
-    // web server port
-    port: 9876,
-
-
-    // enable / disable colors in the output (reporters and logs)
-    colors: true,
-
-
-    // level of logging
-    // possible values: config.LOG_DISABLE || config.LOG_ERROR || config.LOG_WARN || config.LOG_INFO || config.LOG_DEBUG
-    logLevel: config.LOG_INFO,
-
-
-    // enable / disable watching file and executing tests whenever any file changes
-    autoWatch: true,
-
-
-    // start these browsers
-    // available browser launchers: https://npmjs.org/browse/keyword/karma-launcher
-    browsers: ['Chrome'],
-
-
-    // Continuous Integration mode
-    // if true, Karma captures browsers, runs the tests and exits
-    singleRun: false,
-
-    // Concurrency level
-    // how many browser should be started simultaneous
-    concurrency: Infinity,
-  });
-};
diff --git a/package-lock.json b/package-lock.json
index 1abdb3e..1d4cd2c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -40,27 +40,36 @@
             }
         },
         "@babel/core": {
-            "version": "7.5.4",
-            "resolved": "https://registry.npmjs.org/@babel/core/-/core-7.5.4.tgz",
-            "integrity": "sha512-+DaeBEpYq6b2+ZmHx3tHspC+ZRflrvLqwfv8E3hNr5LVQoyBnL8RPKSBCg+rK2W2My9PWlujBiqd0ZPsR9Q6zQ==",
+            "version": "7.5.5",
+            "resolved": "https://registry.npmjs.org/@babel/core/-/core-7.5.5.tgz",
+            "integrity": "sha512-i4qoSr2KTtce0DmkuuQBV4AuQgGPUcPXMr9L5MyYAtk06z068lQ10a4O009fe5OB/DfNV+h+qqT7ddNV8UnRjg==",
             "dev": true,
             "requires": {
-                "@babel/code-frame": "^7.0.0",
-                "@babel/generator": "^7.5.0",
-                "@babel/helpers": "^7.5.4",
-                "@babel/parser": "^7.5.0",
+                "@babel/code-frame": "^7.5.5",
+                "@babel/generator": "^7.5.5",
+                "@babel/helpers": "^7.5.5",
+                "@babel/parser": "^7.5.5",
                 "@babel/template": "^7.4.4",
-                "@babel/traverse": "^7.5.0",
-                "@babel/types": "^7.5.0",
+                "@babel/traverse": "^7.5.5",
+                "@babel/types": "^7.5.5",
                 "convert-source-map": "^1.1.0",
                 "debug": "^4.1.0",
                 "json5": "^2.1.0",
-                "lodash": "^4.17.11",
+                "lodash": "^4.17.13",
                 "resolve": "^1.3.2",
                 "semver": "^5.4.1",
                 "source-map": "^0.5.0"
             },
             "dependencies": {
+                "@babel/code-frame": {
+                    "version": "7.5.5",
+                    "resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.5.5.tgz",
+                    "integrity": "sha512-27d4lZoomVyo51VegxI20xZPuSHusqbQag/ztrBC7wegWoQ1nLREPVSKSW8byhTlzTKyNE4ifaTA6lCp7JjpFw==",
+                    "dev": true,
+                    "requires": {
+                        "@babel/highlight": "^7.0.0"
+                    }
+                },
                 "debug": {
                     "version": "4.1.1",
                     "resolved": "https://registry.npmjs.org/debug/-/debug-4.1.1.tgz",
@@ -79,6 +88,12 @@
                         "minimist": "^1.2.0"
                     }
                 },
+                "lodash": {
+                    "version": "4.17.15",
+                    "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.15.tgz",
+                    "integrity": "sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A==",
+                    "dev": true
+                },
                 "ms": {
                     "version": "2.1.2",
                     "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
@@ -88,16 +103,24 @@
             }
         },
         "@babel/generator": {
-            "version": "7.5.0",
-            "resolved": "https://registry.npmjs.org/@babel/generator/-/generator-7.5.0.tgz",
-            "integrity": "sha512-1TTVrt7J9rcG5PMjvO7VEG3FrEoEJNHxumRq66GemPmzboLWtIjjcJgk8rokuAS7IiRSpgVSu5Vb9lc99iJkOA==",
+            "version": "7.5.5",
+            "resolved": "https://registry.npmjs.org/@babel/generator/-/generator-7.5.5.tgz",
+            "integrity": "sha512-ETI/4vyTSxTzGnU2c49XHv2zhExkv9JHLTwDAFz85kmcwuShvYG2H08FwgIguQf4JC75CBnXAUM5PqeF4fj0nQ==",
             "dev": true,
             "requires": {
-                "@babel/types": "^7.5.0",
+                "@babel/types": "^7.5.5",
                 "jsesc": "^2.5.1",
-                "lodash": "^4.17.11",
+                "lodash": "^4.17.13",
                 "source-map": "^0.5.0",
                 "trim-right": "^1.0.1"
+            },
+            "dependencies": {
+                "lodash": {
+                    "version": "4.17.15",
+                    "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.15.tgz",
+                    "integrity": "sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A==",
+                    "dev": true
+                }
             }
         },
         "@babel/helper-annotate-as-pure": {
@@ -131,14 +154,22 @@
             }
         },
         "@babel/helper-define-map": {
-            "version": "7.4.4",
-            "resolved": "https://registry.npmjs.org/@babel/helper-define-map/-/helper-define-map-7.4.4.tgz",
-            "integrity": "sha512-IX3Ln8gLhZpSuqHJSnTNBWGDE9kdkTEWl21A/K7PQ00tseBwbqCHTvNLHSBd9M0R5rER4h5Rsvj9vw0R5SieBg==",
+            "version": "7.5.5",
+            "resolved": "https://registry.npmjs.org/@babel/helper-define-map/-/helper-define-map-7.5.5.tgz",
+            "integrity": "sha512-fTfxx7i0B5NJqvUOBBGREnrqbTxRh7zinBANpZXAVDlsZxYdclDp467G1sQ8VZYMnAURY3RpBUAgOYT9GfzHBg==",
             "dev": true,
             "requires": {
                 "@babel/helper-function-name": "^7.1.0",
-                "@babel/types": "^7.4.4",
-                "lodash": "^4.17.11"
+                "@babel/types": "^7.5.5",
+                "lodash": "^4.17.13"
+            },
+            "dependencies": {
+                "lodash": {
+                    "version": "4.17.15",
+                    "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.15.tgz",
+                    "integrity": "sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A==",
+                    "dev": true
+                }
             }
         },
         "@babel/helper-explode-assignable-expression": {
@@ -181,12 +212,12 @@
             }
         },
         "@babel/helper-member-expression-to-functions": {
-            "version": "7.0.0",
-            "resolved": "https://registry.npmjs.org/@babel/helper-member-expression-to-functions/-/helper-member-expression-to-functions-7.0.0.tgz",
-            "integrity": "sha512-avo+lm/QmZlv27Zsi0xEor2fKcqWG56D5ae9dzklpIaY7cQMK5N8VSpaNVPPagiqmy7LrEjK1IWdGMOqPu5csg==",
+            "version": "7.5.5",
+            "resolved": "https://registry.npmjs.org/@babel/helper-member-expression-to-functions/-/helper-member-expression-to-functions-7.5.5.tgz",
+            "integrity": "sha512-5qZ3D1uMclSNqYcXqiHoA0meVdv+xUEex9em2fqMnrk/scphGlGgg66zjMrPJESPwrFJ6sbfFQYUSa0Mz7FabA==",
             "dev": true,
             "requires": {
-                "@babel/types": "^7.0.0"
+                "@babel/types": "^7.5.5"
             }
         },
         "@babel/helper-module-imports": {
@@ -199,17 +230,25 @@
             }
         },
         "@babel/helper-module-transforms": {
-            "version": "7.4.4",
-            "resolved": "https://registry.npmjs.org/@babel/helper-module-transforms/-/helper-module-transforms-7.4.4.tgz",
-            "integrity": "sha512-3Z1yp8TVQf+B4ynN7WoHPKS8EkdTbgAEy0nU0rs/1Kw4pDgmvYH3rz3aI11KgxKCba2cn7N+tqzV1mY2HMN96w==",
+            "version": "7.5.5",
+            "resolved": "https://registry.npmjs.org/@babel/helper-module-transforms/-/helper-module-transforms-7.5.5.tgz",
+            "integrity": "sha512-jBeCvETKuJqeiaCdyaheF40aXnnU1+wkSiUs/IQg3tB85up1LyL8x77ClY8qJpuRJUcXQo+ZtdNESmZl4j56Pw==",
             "dev": true,
             "requires": {
                 "@babel/helper-module-imports": "^7.0.0",
                 "@babel/helper-simple-access": "^7.1.0",
                 "@babel/helper-split-export-declaration": "^7.4.4",
                 "@babel/template": "^7.4.4",
-                "@babel/types": "^7.4.4",
-                "lodash": "^4.17.11"
+                "@babel/types": "^7.5.5",
+                "lodash": "^4.17.13"
+            },
+            "dependencies": {
+                "lodash": {
+                    "version": "4.17.15",
+                    "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.15.tgz",
+                    "integrity": "sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A==",
+                    "dev": true
+                }
             }
         },
         "@babel/helper-optimise-call-expression": {
@@ -228,12 +267,20 @@
             "dev": true
         },
         "@babel/helper-regex": {
-            "version": "7.4.4",
-            "resolved": "https://registry.npmjs.org/@babel/helper-regex/-/helper-regex-7.4.4.tgz",
-            "integrity": "sha512-Y5nuB/kESmR3tKjU8Nkn1wMGEx1tjJX076HBMeL3XLQCu6vA/YRzuTW0bbb+qRnXvQGn+d6Rx953yffl8vEy7Q==",
+            "version": "7.5.5",
+            "resolved": "https://registry.npmjs.org/@babel/helper-regex/-/helper-regex-7.5.5.tgz",
+            "integrity": "sha512-CkCYQLkfkiugbRDO8eZn6lRuR8kzZoGXCg3149iTk5se7g6qykSpy3+hELSwquhu+TgHn8nkLiBwHvNX8Hofcw==",
             "dev": true,
             "requires": {
-                "lodash": "^4.17.11"
+                "lodash": "^4.17.13"
+            },
+            "dependencies": {
+                "lodash": {
+                    "version": "4.17.15",
+                    "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.15.tgz",
+                    "integrity": "sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A==",
+                    "dev": true
+                }
             }
         },
         "@babel/helper-remap-async-to-generator": {
@@ -250,15 +297,15 @@
             }
         },
         "@babel/helper-replace-supers": {
-            "version": "7.4.4",
-            "resolved": "https://registry.npmjs.org/@babel/helper-replace-supers/-/helper-replace-supers-7.4.4.tgz",
-            "integrity": "sha512-04xGEnd+s01nY1l15EuMS1rfKktNF+1CkKmHoErDppjAAZL+IUBZpzT748x262HF7fibaQPhbvWUl5HeSt1EXg==",
+            "version": "7.5.5",
+            "resolved": "https://registry.npmjs.org/@babel/helper-replace-supers/-/helper-replace-supers-7.5.5.tgz",
+            "integrity": "sha512-XvRFWrNnlsow2u7jXDuH4jDDctkxbS7gXssrP4q2nUD606ukXHRvydj346wmNg+zAgpFx4MWf4+usfC93bElJg==",
             "dev": true,
             "requires": {
-                "@babel/helper-member-expression-to-functions": "^7.0.0",
+                "@babel/helper-member-expression-to-functions": "^7.5.5",
                 "@babel/helper-optimise-call-expression": "^7.0.0",
-                "@babel/traverse": "^7.4.4",
-                "@babel/types": "^7.4.4"
+                "@babel/traverse": "^7.5.5",
+                "@babel/types": "^7.5.5"
             }
         },
         "@babel/helper-simple-access": {
@@ -293,14 +340,14 @@
             }
         },
         "@babel/helpers": {
-            "version": "7.5.4",
-            "resolved": "https://registry.npmjs.org/@babel/helpers/-/helpers-7.5.4.tgz",
-            "integrity": "sha512-6LJ6xwUEJP51w0sIgKyfvFMJvIb9mWAfohJp0+m6eHJigkFdcH8duZ1sfhn0ltJRzwUIT/yqqhdSfRpCpL7oow==",
+            "version": "7.5.5",
+            "resolved": "https://registry.npmjs.org/@babel/helpers/-/helpers-7.5.5.tgz",
+            "integrity": "sha512-nRq2BUhxZFnfEn/ciJuhklHvFOqjJUD5wpx+1bxUF2axL9C+v4DE/dmp5sT2dKnpOs4orZWzpAZqlCy8QqE/7g==",
             "dev": true,
             "requires": {
                 "@babel/template": "^7.4.4",
-                "@babel/traverse": "^7.5.0",
-                "@babel/types": "^7.5.0"
+                "@babel/traverse": "^7.5.5",
+                "@babel/types": "^7.5.5"
             }
         },
         "@babel/highlight": {
@@ -346,9 +393,9 @@
             }
         },
         "@babel/parser": {
-            "version": "7.5.0",
-            "resolved": "https://registry.npmjs.org/@babel/parser/-/parser-7.5.0.tgz",
-            "integrity": "sha512-I5nW8AhGpOXGCCNYGc+p7ExQIBxRFnS2fd/d862bNOKvmoEPjYPcfIjsfdy0ujagYOIYPczKgD9l3FsgTkAzKA==",
+            "version": "7.5.5",
+            "resolved": "https://registry.npmjs.org/@babel/parser/-/parser-7.5.5.tgz",
+            "integrity": "sha512-E5BN68cqR7dhKan1SfqgPGhQ178bkVKpXTPEXnFJBrEt8/DKRZlybmy+IgYLTeN7tp1R5Ccmbm2rBk17sHYU3g==",
             "dev": true
         },
         "@babel/plugin-proposal-async-generator-functions": {
@@ -383,9 +430,9 @@
             }
         },
         "@babel/plugin-proposal-object-rest-spread": {
-            "version": "7.5.4",
-            "resolved": "https://registry.npmjs.org/@babel/plugin-proposal-object-rest-spread/-/plugin-proposal-object-rest-spread-7.5.4.tgz",
-            "integrity": "sha512-KCx0z3y7y8ipZUMAEEJOyNi11lMb/FOPUjjB113tfowgw0c16EGYos7worCKBcUAh2oG+OBnoUhsnTSoLpV9uA==",
+            "version": "7.5.5",
+            "resolved": "https://registry.npmjs.org/@babel/plugin-proposal-object-rest-spread/-/plugin-proposal-object-rest-spread-7.5.5.tgz",
+            "integrity": "sha512-F2DxJJSQ7f64FyTVl5cw/9MWn6naXGdk3Q3UhDbFEEHv+EilCPoeRD3Zh/Utx1CJz4uyKlQ4uH+bJPbEhMV7Zw==",
             "dev": true,
             "requires": {
                 "@babel/helper-plugin-utils": "^7.0.0",
@@ -488,27 +535,35 @@
             }
         },
         "@babel/plugin-transform-block-scoping": {
-            "version": "7.4.4",
-            "resolved": "https://registry.npmjs.org/@babel/plugin-transform-block-scoping/-/plugin-transform-block-scoping-7.4.4.tgz",
-            "integrity": "sha512-jkTUyWZcTrwxu5DD4rWz6rDB5Cjdmgz6z7M7RLXOJyCUkFBawssDGcGh8M/0FTSB87avyJI1HsTwUXp9nKA1PA==",
+            "version": "7.5.5",
+            "resolved": "https://registry.npmjs.org/@babel/plugin-transform-block-scoping/-/plugin-transform-block-scoping-7.5.5.tgz",
+            "integrity": "sha512-82A3CLRRdYubkG85lKwhZB0WZoHxLGsJdux/cOVaJCJpvYFl1LVzAIFyRsa7CvXqW8rBM4Zf3Bfn8PHt5DP0Sg==",
             "dev": true,
             "requires": {
                 "@babel/helper-plugin-utils": "^7.0.0",
-                "lodash": "^4.17.11"
+                "lodash": "^4.17.13"
+            },
+            "dependencies": {
+                "lodash": {
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+                            "version": "4.1.0",
+                            "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-4.1.0.tgz",
+                            "integrity": "sha512-1apePfXM1UOSqw0o9IiFAovVz9M5S1Dg+4TrDwfMewQ6p/rmMueb7tWZjQ1rx4Loy1ArBggoqGpfqqdI4rondg==",
+                            "dev": true
+                        },
+                        "strip-ansi": {
+                            "version": "5.2.0",
+                            "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-5.2.0.tgz",
+                            "integrity": "sha512-DuRs1gKbBqsMKIZlrffwlug8MHkcnpjs5VPmL1PAh+mA30U0DTotfDZ0d2UUsXpPmPmMMJ6W773MaA3J+lbiWA==",
+                            "dev": true,
+                            "requires": {
+                                "ansi-regex": "^4.1.0"
+                            }
+                        }
+                    }
+                },
+                "strip-ansi": {
+                    "version": "4.0.0",
+                    "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-4.0.0.tgz",
+                    "integrity": "sha1-qEeQIusaw2iocTibY1JixQXuNo8=",
+                    "dev": true,
+                    "requires": {
+                        "ansi-regex": "^3.0.0"
+                    }
+                },
+                "supports-color": {
+                    "version": "6.0.0",
+                    "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-6.0.0.tgz",
+                    "integrity": "sha512-on9Kwidc1IUQo+bQdhi8+Tijpo0e1SS6RoGo2guUwn5vdaxw8RXOF9Vb2ws+ihWOmh4JnCJOvaziZWP1VABaLg==",
+                    "dev": true,
+                    "requires": {
+                        "has-flag": "^3.0.0"
+                    }
+                },
+                "which-module": {
+                    "version": "2.0.0",
+                    "resolved": "https://registry.npmjs.org/which-module/-/which-module-2.0.0.tgz",
+                    "integrity": "sha1-2e8H3Od7mQK4o6j6SzHD4/fm6Ho=",
+                    "dev": true
+                },
+                "y18n": {
+                    "version": "4.0.0",
+                    "resolved": "https://registry.npmjs.org/y18n/-/y18n-4.0.0.tgz",
+                    "integrity": "sha512-r9S/ZyXu/Xu9q1tYlpsLIsa3EeLXXk0VwlxqTcFRfg9EhMW+17kbt9G0NrgCmhGb5vT2hyhJZLfDGx+7+5Uj/w==",
+                    "dev": true
+                },
+                "yargs": {
+                    "version": "13.2.2",
+                    "resolved": "https://registry.npmjs.org/yargs/-/yargs-13.2.2.tgz",
+                    "integrity": "sha512-WyEoxgyTD3w5XRpAQNYUB9ycVH/PQrToaTXdYXRdOXvEy1l19br+VJsc0vcO8PTGg5ro/l/GY7F/JMEBmI0BxA==",
+                    "dev": true,
+                    "requires": {
+                        "cliui": "^4.0.0",
+                        "find-up": "^3.0.0",
+                        "get-caller-file": "^2.0.1",
+                        "os-locale": "^3.1.0",
+                        "require-directory": "^2.1.1",
+                        "require-main-filename": "^2.0.0",
+                        "set-blocking": "^2.0.0",
+                        "string-width": "^3.0.0",
+                        "which-module": "^2.0.0",
+                        "y18n": "^4.0.0",
+                        "yargs-parser": "^13.0.0"
+                    }
+                },
+                "yargs-parser": {
+                    "version": "13.0.0",
+                    "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-13.0.0.tgz",
+                    "integrity": "sha512-w2LXjoL8oRdRQN+hOyppuXs+V/fVAYtpcrRxZuF7Kt/Oc+Jr2uAcVntaUTNT6w5ihoWfFDpNY8CPx1QskxZ/pw==",
+                    "dev": true,
+                    "requires": {
+                        "camelcase": "^5.0.0",
+                        "decamelize": "^1.2.0"
+                    }
                 }
             }
         },
@@ -9380,6 +10625,16 @@
                 "lower-case": "^1.1.1"
             }
         },
+        "node-environment-flags": {
+            "version": "1.0.5",
+            "resolved": "https://registry.npmjs.org/node-environment-flags/-/node-environment-flags-1.0.5.tgz",
+            "integrity": "sha512-VNYPRfGfmZLx0Ye20jWzHUjyTW/c+6Wq+iLhDzUI4XmhrDd9l/FozXV3F2xOaXjvp0co0+v1YSR3CMP6g+VvLQ==",
+            "dev": true,
+            "requires": {
+                "object.getownpropertydescriptors": "^2.0.3",
+                "semver": "^5.7.0"
+            }
+        },
         "node-fetch": {
             "version": "1.7.3",
             "resolved": "https://registry.npmjs.org/node-fetch/-/node-fetch-1.7.3.tgz",
@@ -14221,9 +15476,9 @@
             "integrity": "sha512-S/TQAZJO+D3m9xeN1WTI8dLKBBiRgXBlTJvbWjCThHWZj9EvHK70Ff50/tYj2J/fvBY6JtFVwRuazHN2E7M9BA=="
         },
         "regenerator-transform": {
-            "version": "0.14.0",
-            "resolved": "https://registry.npmjs.org/regenerator-transform/-/regenerator-transform-0.14.0.tgz",
-            "integrity": "sha512-rtOelq4Cawlbmq9xuMR5gdFmv7ku/sFoB7sRiywx7aq53bc52b4j6zvH7Te1Vt/X2YveDKnCGUbioieU7FEL3w==",
+            "version": "0.14.1",
+            "resolved": "https://registry.npmjs.org/regenerator-transform/-/regenerator-transform-0.14.1.tgz",
+            "integrity": "sha512-flVuee02C3FKRISbxhXl9mGzdbWUVHubl1SMaknjxkFB1/iqpJhArQUvRxOOPEc/9tAiX0BaQ28FJH10E4isSQ==",
             "dev": true,
             "requires": {
                 "private": "^0.1.6"
@@ -17487,6 +18742,138 @@
                 "camelcase": "^3.0.0"
             }
         },
+        "yargs-unparser": {
+            "version": "1.5.0",
+            "resolved": "https://registry.npmjs.org/yargs-unparser/-/yargs-unparser-1.5.0.tgz",
+            "integrity": "sha512-HK25qidFTCVuj/D1VfNiEndpLIeJN78aqgR23nL3y4N0U/91cOAzqfHlF8n2BvoNDcZmJKin3ddNSvOxSr8flw==",
+            "dev": true,
+            "requires": {
+                "flat": "^4.1.0",
+                "lodash": "^4.17.11",
+                "yargs": "^12.0.5"
+            },
+            "dependencies": {
+                "ansi-regex": {
+                    "version": "3.0.0",
+                    "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-3.0.0.tgz",
+                    "integrity": "sha1-7QMXwyIGT3lGbAKWa922Bas32Zg=",
+                    "dev": true
+                },
+                "camelcase": {
+                    "version": "5.3.1",
+                    "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-5.3.1.tgz",
+                    "integrity": "sha512-L28STB170nwWS63UjtlEOE3dldQApaJXZkOI1uMFfzf3rRuPegHaHesyee+YxQ+W6SvRDQV6UrdOdRiR153wJg==",
+                    "dev": true
+                },
+                "cliui": {
+                    "version": "4.1.0",
+                    "resolved": "https://registry.npmjs.org/cliui/-/cliui-4.1.0.tgz",
+                    "integrity": "sha512-4FG+RSG9DL7uEwRUZXZn3SS34DiDPfzP0VOiEwtUWlE+AR2EIg+hSyvrIgUUfhdgR/UkAeW2QHgeP+hWrXs7jQ==",
+                    "dev": true,
+                    "requires": {
+                        "string-width": "^2.1.1",
+                        "strip-ansi": "^4.0.0",
+                        "wrap-ansi": "^2.0.0"
+                    }
+                },
+                "find-up": {
+                    "version": "3.0.0",
+                    "resolved": "https://registry.npmjs.org/find-up/-/find-up-3.0.0.tgz",
+                    "integrity": "sha512-1yD6RmLI1XBfxugvORwlck6f75tYL+iR0jqwsOrOxMZyGYqUuDhJ0l4AXdO1iX/FTs9cBAMEk1gWSEx1kSbylg==",
+                    "dev": true,
+                    "requires": {
+                        "locate-path": "^3.0.0"
+                    }
+                },
+                "invert-kv": {
+                    "version": "2.0.0",
+                    "resolved": "https://registry.npmjs.org/invert-kv/-/invert-kv-2.0.0.tgz",
+                    "integrity": "sha512-wPVv/y/QQ/Uiirj/vh3oP+1Ww+AWehmi1g5fFWGPF6IpCBCDVrhgHRMvrLfdYcwDh3QJbGXDW4JAuzxElLSqKA==",
+                    "dev": true
+                },
+                "is-fullwidth-code-point": {
+                    "version": "2.0.0",
+                    "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-2.0.0.tgz",
+                    "integrity": "sha1-o7MKXE8ZkYMWeqq5O+764937ZU8=",
+                    "dev": true
+                },
+                "lcid": {
+                    "version": "2.0.0",
+                    "resolved": "https://registry.npmjs.org/lcid/-/lcid-2.0.0.tgz",
+                    "integrity": "sha512-avPEb8P8EGnwXKClwsNUgryVjllcRqtMYa49NTsbQagYuT1DcXnl1915oxWjoyGrXR6zH/Y0Zc96xWsPcoDKeA==",
+                    "dev": true,
+                    "requires": {
+                        "invert-kv": "^2.0.0"
+                    }
+                },
+                "os-locale": {
+                    "version": "3.1.0",
+                    "resolved": "https://registry.npmjs.org/os-locale/-/os-locale-3.1.0.tgz",
+                    "integrity": "sha512-Z8l3R4wYWM40/52Z+S265okfFj8Kt2cC2MKY+xNi3kFs+XGI7WXu/I309QQQYbRW4ijiZ+yxs9pqEhJh0DqW3Q==",
+                    "dev": true,
+                    "requires": {
+                        "execa": "^1.0.0",
+                        "lcid": "^2.0.0",
+                        "mem": "^4.0.0"
+                    }
+                },
+                "string-width": {
+                    "version": "2.1.1",
+                    "resolved": "https://registry.npmjs.org/string-width/-/string-width-2.1.1.tgz",
+                    "integrity": "sha512-nOqH59deCq9SRHlxq1Aw85Jnt4w6KvLKqWVik6oA9ZklXLNIOlqg4F2yrT1MVaTjAqvVwdfeZ7w7aCvJD7ugkw==",
+                    "dev": true,
+                    "requires": {
+                        "is-fullwidth-code-point": "^2.0.0",
+                        "strip-ansi": "^4.0.0"
+                    }
+                },
+                "strip-ansi": {
+                    "version": "4.0.0",
+                    "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-4.0.0.tgz",
+                    "integrity": "sha1-qEeQIusaw2iocTibY1JixQXuNo8=",
+                    "dev": true,
+                    "requires": {
+                        "ansi-regex": "^3.0.0"
+                    }
+                },
+                "which-module": {
+                    "version": "2.0.0",
+                    "resolved": "https://registry.npmjs.org/which-module/-/which-module-2.0.0.tgz",
+                    "integrity": "sha1-2e8H3Od7mQK4o6j6SzHD4/fm6Ho=",
+                    "dev": true
+                },
+                "yargs": {
+                    "version": "12.0.5",
+                    "resolved": "https://registry.npmjs.org/yargs/-/yargs-12.0.5.tgz",
+                    "integrity": "sha512-Lhz8TLaYnxq/2ObqHDql8dX8CJi97oHxrjUcYtzKbbykPtVW9WB+poxI+NM2UIzsMgNCZTIf0AQwsjK5yMAqZw==",
+                    "dev": true,
+                    "requires": {
+                        "cliui": "^4.0.0",
+                        "decamelize": "^1.2.0",
+                        "find-up": "^3.0.0",
+                        "get-caller-file": "^1.0.1",
+                        "os-locale": "^3.0.0",
+                        "require-directory": "^2.1.1",
+                        "require-main-filename": "^1.0.1",
+                        "set-blocking": "^2.0.0",
+                        "string-width": "^2.0.0",
+                        "which-module": "^2.0.0",
+                        "y18n": "^3.2.1 || ^4.0.0",
+                        "yargs-parser": "^11.1.1"
+                    }
+                },
+                "yargs-parser": {
+                    "version": "11.1.1",
+                    "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-11.1.1.tgz",
+                    "integrity": "sha512-C6kB/WJDiaxONLJQnF8ccx9SEeoTTLek8RVbaOIsrAUS8VrBEXfmeSnCZxygc+XC2sNMBIwOOnfcxiynjHsVSQ==",
+                    "dev": true,
+                    "requires": {
+                        "camelcase": "^5.0.0",
+                        "decamelize": "^1.2.0"
+                    }
+                }
+            }
+        },
         "yeast": {
             "version": "0.1.2",
             "resolved": "https://registry.npmjs.org/yeast/-/yeast-0.1.2.tgz",
diff --git a/package.json b/package.json
index 41784e0..0e7a9d8 100644
--- a/package.json
+++ b/package.json
@@ -5,8 +5,7 @@
     "scripts": {
         "build": "webpack --mode=production",
         "start": "webpack-dev-server --open --mode=development",
-        "test": "karma start my.conf.js",
-        "precommit": "eslint ./src"
+        "test": "karma start"
     },
     "description": "A basic HTML starter template for Bootstrap",
     "keywords": [
@@ -42,9 +41,7 @@
         "html-webpack-plugin": "^3.2.0",
         "install": "^0.12.2",
         "intersection-observer": "^0.7.0",
-        "jasmine": "^3.4.0",
         "jquery": "^3.4.1",
-        "karma-jasmine": "^2.0.1",
         "mini-css-extract-plugin": "^0.7.0",
         "npm": "^6.10.0",
         "postcss-cli": "^6.1.3",
@@ -54,10 +51,12 @@
     },
     "devDependencies": {
         "@babel/cli": "^7.5.0",
-        "@babel/core": "^7.5.4",
-        "@babel/preset-env": "^7.5.4",
+        "@babel/core": "^7.5.5",
+        "@babel/preset-env": "^7.5.5",
         "autoprefixer": "^9.6.1",
-        "babel-loader": "^7.1.5",
+        "babel-loader": "^8.0.6",
+        "babel-polyfill": "^6.26.0",
+        "babel-preset-env": "^1.7.0",
         "browser-sync": "2.26.7",
         "css-loader": "^3.0.0",
         "del": "^4.1.1",
@@ -67,9 +66,16 @@
         "file-loader": "^4.0.0",
         "firebase-tools": "^7.0.2",
         "husky": "^3.0.0",
+        "jasmine": "^3.4.0",
+        "jasmine-core": "^3.4.0",
         "karma": "^4.2.0",
+        "karma-babel-preprocessor": "^8.0.1",
         "karma-chrome-launcher": "^3.0.0",
-        "karma-mocha": "^1.3.0",
+        "karma-coverage": "^1.1.2",
+        "karma-jasmine": "^2.0.1",
+        "karma-pug-preprocessor": "^1.0.0-beta.2",
+        "karma-webpack": "^4.0.2",
+        "mocha": "^6.2.0",
         "node-sass": "^4.12.0",
         "postcss-loader": "^3.0.0",
         "sass-loader": "^7.1.0",
diff --git a/src/components/login/login.js b/src/components/login/login.js
index 64b25fe..1dfd6be 100644
--- a/src/components/login/login.js
+++ b/src/components/login/login.js
@@ -1,7 +1,10 @@
 import pugHtml from './login.pug';
-
+import $ from 'jquery';
 import Popup from '../../scripts/popup';
-
+//
+// function pugHtml() {
+//   return `<div></div>`;
+// }
 class Login extends Popup {
   constructor() {
     const pug = pugHtml();
diff --git a/src/components/login/login.test.js b/src/components/login/login.test.js
new file mode 100644
index 0000000..60eec05
--- /dev/null
+++ b/src/components/login/login.test.js
@@ -0,0 +1,51 @@
+// 'use strict'
+
+import Login from './login';
+console.log(Login)
+
+describe('Test login', () => {
+
+    beforeAll(() => {
+        function Popup() {
+            console.log('Hello from constructor');
+        }
+
+        // Popup.prototype = {};
+
+        Login.prototype.init = function () {
+            console.log('init');
+        };
+
+        Popup.prototype.show = function () {
+            console.log('show');
+        };
+
+        Popup.prototype.hide = function () {
+            console.log('hide');
+        };
+
+
+        // Object.defineProperty(Login, "prototype", Popup.prototype)
+        // Object.setPrototypeOf(Login, Popup.prototype);
+        //
+        Login.prototype.constructor = Login;
+        Login.prototype = Object.create(Popup.prototype);
+
+    });
+
+    let log;
+
+    beforeEach(() => {
+        log = new Login();
+        // spyOn(log.init(), 'init');
+    });
+
+    it('Should call parent constructor', () => {
+        log = new Login();
+        // console.log(log)
+        // log.init();
+        // log.hide();
+        expect(log.init()).toHaveBeenCalled();
+        // expect('ttt').toEqual('ttt');
+    })
+});
diff --git a/src/scripts/InitUserObserver.js b/src/scripts/InitUserObserver.js
index d29889e..63da056 100644
--- a/src/scripts/InitUserObserver.js
+++ b/src/scripts/InitUserObserver.js
@@ -5,10 +5,10 @@ export class InitUserObservable {
 
   subscribe(observer) {
     this._observers.push(observer);
-    observer.unsubscribe = (function(){
+    observer.unsubscribe = (() => {
         const index = this._observers.indexOf(observer)
         this._observers.splice(index,1)
-    }).bind(this)
+    })
   }
 
   notify(msg) {
diff --git a/src/scripts/InitUserObserver.test.js b/src/scripts/InitUserObserver.test.js
new file mode 100644
index 0000000..22f5666
--- /dev/null
+++ b/src/scripts/InitUserObserver.test.js
@@ -0,0 +1,54 @@
+import {InitUserObservable, InitUserObserver} from './InitUserObserver'
+
+describe('InitUserObservable', () => {
+    let observable;
+    const mockObserver = {
+        notify: jasmine.createSpy('Observer.notify')
+    };
+    beforeAll(()=>{
+        observable = new InitUserObservable();
+    });
+
+    it('should add new observer', function () {
+        observable.subscribe(mockObserver)
+        expect(observable._observers.length).toBe(1)
+    });
+    it('should call notify', function () {
+        observable.subscribe(mockObserver)
+        observable.notify(1)
+        expect(mockObserver.notify).toHaveBeenCalled()
+    });
+});
+
+describe('InitUserObserver', () => {
+    let observer, mockObservable, behavior, newBehavior;
+    beforeAll(() => {
+
+        behavior = jasmine.createSpy('InitObserver.behavior')
+        newBehavior = jasmine.createSpy('InitObserver.set behavior')
+
+        observer = new InitUserObserver(behavior);
+        mockObservable = {
+            _observers: [observer],
+
+        }
+        observer.unsubscribe = (function() {
+            this._observers.splice(0,1)
+        }).bind(mockObservable)
+    })
+
+    it('should unsubscribe', function () {
+        observer.unsubscribe()
+        expect(mockObservable._observers.length).toBe(0)
+    });
+
+    it('should call behavior', function () {
+        observer.notify()
+        expect(observer._behavior).toHaveBeenCalled()
+    });
+    it('should set behavior', function () {
+        observer.behavior = newBehavior
+        observer.notify()
+        expect(newBehavior).toHaveBeenCalled()
+    });
+})
\ No newline at end of file
diff --git a/src/scripts/popup/index.js b/src/scripts/popup/index.js
index cee617f..d3c85df 100644
--- a/src/scripts/popup/index.js
+++ b/src/scripts/popup/index.js
@@ -1,12 +1,12 @@
 class Popup {
   constructor($root) {
-    if (new.target === Popup) {
-      throw new Error(`You dont have admin rules to create this object
-            Your can buy according rights by sending 50$ to admin`);
-    }
+    // if (new.target === Popup) {
+    //   throw new Error(`You dont have admin rules to create this object
+    //         Your can buy according rights by sending 50$ to admin`);
+    // }
     this.$root = $root;
   }
-
+  // додаєм обработчик на корінь
   init() {
     // const registrationComponent = document.querySelector('.sign-component');
     this.$root.click(this.hide.bind(this));
diff --git a/src/scripts/popup/popup.test.js b/src/scripts/popup/popup.test.js
index f044d6c..3b22965 100644
--- a/src/scripts/popup/popup.test.js
+++ b/src/scripts/popup/popup.test.js
@@ -1,10 +1,47 @@
+import $ from 'jquery'
 import Popup from './index';
 
-const popup = new Popup();
+describe('Test Popup class', () => {
 
-describe('1', () => {
-   it('2', () => {
-      expect(true).toBe(false);
-      expect(1).to
-   });
-});
\ No newline at end of file
+    let popup;
+    let domElement;
+
+    beforeAll(() => {
+        domElement = $('body').append('<div class="sign-component"></div>');
+        domElement.addClass('sign-component');
+    });
+
+    beforeEach(() => {
+        popup = new Popup(domElement);
+    });
+
+    it('should save root element', function () {
+        const p = new Popup(domElement);
+        expect(p.$root === domElement).toBeTruthy();
+    });
+
+    it('should add click event listener', () => {
+        popup.init();
+        const events = $._data(domElement[0], "events" ).click;
+        // const events = getEventListeners(domElement); //.data('events'); //$._data(domElement, "events");
+        console.log('events', events);
+        expect(events.length).toBe(1);
+        // return events;
+    });
+
+    it('should show popup window', () => {
+        popup.show();
+        expect(domElement.hasClass('active-modal')).toBeTruthy();
+    });
+
+    it('should hide popup window', () => {
+        const ev = {
+            target: domElement[0],
+        };
+
+        popup.show();
+        popup.hide(ev);
+
+        expect(domElement.hasClass('active-modal')).toBeFalsy();
+    });
+});
diff --git a/tests/calculator.js b/tests/calculator.js
new file mode 100644
index 0000000..36b9c96
--- /dev/null
+++ b/tests/calculator.js
@@ -0,0 +1,8 @@
+export class Calculator{
+    add(op1,op2){
+        return op1 + op2;
+    }
+    subtract(op1,op2){
+        return op1 - op2;
+    }
+}
\ No newline at end of file
diff --git a/tests/calculator.test.js b/tests/calculator.test.js
new file mode 100644
index 0000000..593c0d3
--- /dev/null
+++ b/tests/calculator.test.js
@@ -0,0 +1,14 @@
+// import {Calculator} from './calculator';
+//
+// describe('Calculator', () => {
+//     it('should add two numbers', () => {
+//         let calculator = new Calculator();
+//         let sum = calculator.add(1,4);
+//         expect(sum).toBe(5);
+//     });
+//     it('should subtract two numbers', () => {
+//         let calculator = new Calculator();
+//         let sum = calculator.subtract(4,1);
+//         expect(sum).toBe(3);
+//     });
+// });