diff --git a/.DS_Store b/.DS_Store
new file mode 100644
index 00000000..79b2f365
Binary files /dev/null and b/.DS_Store differ
diff --git a/features/login.feature b/features/login.feature
index fb9f1fa5..86a86f00 100644
--- a/features/login.feature
+++ b/features/login.feature
@@ -4,9 +4,21 @@ Feature: Login Feature
     Given I open the "https://www.saucedemo.com/" page
 
   Scenario: Validate the login page title
-    # TODO: Fix this failing scenario
-    Then I should see the title "Labs Swag"
+    # TODO: Fix this failing scenario- done below
+    Then I should see the title "Swag Labs"
 
   Scenario: Validate login error message
-    Then I will login as 'locked_out_user'
-    # TODO: Add a step to validate the error message received
\ No newline at end of file
+    Then I will login as "locked_out_user"
+    # TODO: Add a step to validate the error message received- done below
+    Then I should see the error message "Epic sadface: Sorry, this user has been locked out."
+
+  # TODO: Extending the testing coverage- done below
+  Scenario: Validate login with invalid credentials
+    Then I will login with username "invalid" and password "invalid"
+    Then I should see the error message "Epic sadface: Username and password do not match any user in this service"
+
+  # TODO: Extending the testing coverage- done below
+  Scenario: Validate user logout
+    Then I will login as "standard_user"
+    Then I will logout
+    Then I should see the login page
\ No newline at end of file
diff --git a/features/product.feature b/features/product.feature
index 8a7ceab9..16c390e9 100644
--- a/features/product.feature
+++ b/features/product.feature
@@ -4,10 +4,15 @@ Feature: Product Feature
     Given I open the "https://www.saucedemo.com/" page
 
   # Create a datatable to validate the Price (high to low) and Price (low to high) sort options (top-right) using a Scenario Outline
-  Scenario Outline:  Validate product sort by price <sort>
-  Then I will login as 'standard_user'
-    # TODO: Sort the items by <sort>
-    # TODO: Validate all 6 items are sorted correctly by price
-  Examples:
-    # TODO: extend the datatable to paramterize this test
-    | sort |
\ No newline at end of file
+  
+  Scenario Outline: Validate product sort by price <sort>
+    Then I will login as "standard_user"
+    # TODO: Sort the items by <sort>- done below
+    Then I will sort products by "<sort>"
+    # TODO: Validate all 6 items are sorted correctly by price- done below
+    Then I should see all items sorted by "<order>"
+    # TODO: extend the datatable to paramterize this test- done below
+    Examples:
+    | sort                | order |
+    | Price (low to high) | asc   |
+    | Price (high to low) | desc  |
\ No newline at end of file
diff --git a/features/purchase.feature b/features/purchase.feature
index 28634789..a9647cc2 100644
--- a/features/purchase.feature
+++ b/features/purchase.feature
@@ -3,12 +3,20 @@ Feature: Purchase Feature
   Background:
     Given I open the "https://www.saucedemo.com/" page
 
-  Scenario:  Validate successful purchase text
-  Then I will login as 'standard_user'
-  Then I will add the backpack to the cart
-    # TODO: Select the cart (top-right)
-    # TODO: Select Checkout
-    # TODO: Fill in the First Name, Last Name, and Zip/Postal Code
-    # TODO: Select Continue
-    # TODO: Select Finish
-    # TODO: Validate the text 'Thank you for your order!'
\ No newline at end of file
+  Scenario: Validate successful purchase text
+    Then I will login as "standard_user"
+    Then I will add the backpack to the cart
+    # TODO: Select the cart (top-right)- done below
+    Then I will open the cart
+    # TODO: Extending the testing coverage- done below
+    Then I should see the product "Sauce Labs Backpack" in the cart
+    # TODO: Select Checkout- done below
+    Then I will proceed to checkout
+    # TODO: Fill in the First Name, Last Name, and Zip/Postal Code- done below
+    Then I will fill in checkout information "Nishi" "Mewada" "28262"
+    # TODO: Select Continue- done below
+    Then I will continue to overview
+    # TODO: Select Finish- done below
+    Then I will finish the purchase
+    # TODO: Validate the text "Thank you for your order!"- done below
+    Then I should see the purchase confirmation text "Thank you for your order!"
diff --git a/pages/cart.page.ts b/pages/cart.page.ts
new file mode 100644
index 00000000..685c9000
--- /dev/null
+++ b/pages/cart.page.ts
@@ -0,0 +1,24 @@
+import { expect, Page } from "@playwright/test"
+
+export class Cart {
+    private readonly page: Page
+    private readonly cartIcon: string = '.shopping_cart_link';
+    private readonly checkoutButton: string = '#checkout';
+    private readonly cartItems: string = '.cart_item';
+
+    constructor(page: Page) {
+        this.page = page;
+    }
+
+    public async openCart() {
+        await this.page.locator(this.cartIcon).click();
+    }
+
+    public async validateProductInCart(expectedProduct: string) {
+        await expect(this.page.locator(this.cartItems)).toContainText(expectedProduct);
+    }
+
+    public async proceedToCheckout() {
+        await this.page.locator(this.checkoutButton).click();
+    }
+}
\ No newline at end of file
diff --git a/pages/checkout.page.ts b/pages/checkout.page.ts
new file mode 100644
index 00000000..abfeb5c5
--- /dev/null
+++ b/pages/checkout.page.ts
@@ -0,0 +1,36 @@
+import { Page } from "@playwright/test"
+
+export class Checkout {
+    private readonly page: Page
+    private readonly firstNameField: string = '#first-name';
+    private readonly lastNameField: string = '#last-name';
+    private readonly zipField: string = '#postal-code';
+    private readonly continueButton: string = '#continue';
+    private readonly finishButton: string = '#finish';
+    private readonly confirmationText: string = '.complete-header';
+
+    constructor(page: Page) {
+        this.page = page;
+    }
+
+    public async fillInformation(firstName: string, lastName: string, zip: string) {
+        await this.page.locator(this.firstNameField).fill(firstName);
+        await this.page.locator(this.lastNameField).fill(lastName);
+        await this.page.locator(this.zipField).fill(zip);
+    }
+
+    public async continueToOverview() {
+        await this.page.locator(this.continueButton).click();
+    }
+
+    public async finishPurchase() {
+        await this.page.locator(this.finishButton).click();
+    }
+
+    public async validateConfirmationText(expectedText: string) {
+        const actualText = await this.page.locator(this.confirmationText).textContent();
+        if (actualText?.trim() !== expectedText) {
+            throw new Error(`Expected confirmation text "${expectedText}" but found "${actualText}"`);
+        }
+    }
+}
\ No newline at end of file
diff --git a/pages/login.page.ts b/pages/login.page.ts
index 5a01614b..4c794ca9 100644
--- a/pages/login.page.ts
+++ b/pages/login.page.ts
@@ -6,6 +6,9 @@ export class Login {
     private readonly passwordField: string = 'input[id="password"]'
     private readonly userNameField: string = 'input[id="user-name"]'
     private readonly loginButton: string = 'input[id="login-button"]'
+    private readonly errorMessage: string = '[data-test="error"]'
+    private readonly menuButton: string = '#react-burger-menu-btn'
+    private readonly logoutLink: string = '#logout_sidebar_link'
 
     constructor(page: Page) {
         this.page = page;
@@ -23,4 +26,17 @@ export class Login {
         await this.page.locator(this.passwordField).fill(this.password)
         await this.page.locator(this.loginButton).click()
     }
-}
\ No newline at end of file
+
+    public async loginWithCredentials(userName: string, password: string) {
+        await this.page.locator(this.userNameField).fill(userName);
+        await this.page.locator(this.passwordField).fill(password);
+        await this.page.locator(this.loginButton).click();
+    }
+
+    public async validateErrorMessage(expectedMessage: string) {
+        const actualMessage = (await this.page.locator(this.errorMessage).textContent())?.trim();
+        if (actualMessage !== expectedMessage) {
+          throw new Error(`Expected error message to be ${expectedMessage} but found ${actualMessage}`);
+        }
+    }
+}
diff --git a/pages/menu.page.ts b/pages/menu.page.ts
new file mode 100644
index 00000000..4ef6cd6d
--- /dev/null
+++ b/pages/menu.page.ts
@@ -0,0 +1,26 @@
+import { Page } from "@playwright/test"
+
+export class Menu {
+    private readonly page: Page
+
+    private readonly menuButton: string = '#react-burger-menu-btn'
+    private readonly logoutLink: string = '#logout_sidebar_link'
+    private readonly loginButton: string = '#login-button'
+
+    constructor(page: Page) {
+        this.page = page;
+    }
+
+    public async logout() {
+        await this.page.locator(this.menuButton).click();
+        await this.page.locator(this.logoutLink).click();
+    }
+
+    public async validateLoginPage() {
+        const isLoginButtonVisible = await this.page.locator(this.loginButton).isVisible();
+
+        if (!isLoginButtonVisible) {
+            throw new Error('Login page is not displayed after logout');
+        }
+    }
+}
\ No newline at end of file
diff --git a/pages/product.page.ts b/pages/product.page.ts
index 14bedb1b..4ced56bd 100644
--- a/pages/product.page.ts
+++ b/pages/product.page.ts
@@ -1,9 +1,13 @@
-import { Page } from "@playwright/test"
+
+import { expect, Page } from "@playwright/test"
 
 export class Product {
     private readonly page: Page
-    private readonly addToCart: string = 'button[id="add-to-cart-sauce-labs-backpack"]'
 
+    private readonly addToCart: string = 'button[id="add-to-cart-sauce-labs-backpack"]'
+    private readonly sortDropdown: string = 'select[data-test="product-sort-container"]'
+    private readonly itemPrices: string = '.inventory_item_price'
+    
     constructor(page: Page) {
         this.page = page;
     }
@@ -11,4 +15,30 @@ export class Product {
     public async addBackPackToCart() {
         await this.page.locator(this.addToCart).click()
     }
+
+    public async sortByPrice(sortOption: string) {
+    const valueMap: Record<string, string> = {
+      'Price (low to high)': 'lohi',
+      'Price (high to low)': 'hilo',
+    };
+    const optionValue = valueMap[sortOption];
+    if (!optionValue) {
+      throw new Error(`Unsupported sort option: ${sortOption}`);
+    }
+    await this.page.locator(this.sortDropdown).selectOption(optionValue);
+  }
+
+  public async validateSortedByPrice(order: 'asc' | 'desc') {
+    const priceTexts = await this.page
+      .locator(this.itemPrices)
+      .allTextContents();
+    const prices = priceTexts.map((price) =>
+      parseFloat(price.replace('$', ''))
+    );
+    expect(prices).toHaveLength(6)
+    const expected = [...prices].sort((a, b) =>
+      order === 'asc' ? a - b : b - a
+    );
+    expect(prices).toEqual(expected);
+  }
 }
\ No newline at end of file
diff --git a/playwrightUtilities.ts b/playwrightUtilities.ts
index 93244a29..8a50b042 100644
--- a/playwrightUtilities.ts
+++ b/playwrightUtilities.ts
@@ -6,7 +6,7 @@ const DEFAULT_TIMEOUT = 30000;
 
 export const initializeBrowser = async () => {
   if (!browser) {
-    browser = await chromium.launch({ headless: false });
+    browser = await chromium.launch({ headless: false, channel:"chrome" });
   }
 };
 
@@ -17,6 +17,7 @@ export const initializePage = async () => {
   }
 };
 
+
 export const getPage = (): Page => {
   if (!page) {
     throw new Error('Page has not been initialized. Please call initializePage first.');
diff --git a/steps/checkout.steps.ts b/steps/checkout.steps.ts
new file mode 100644
index 00000000..d5654286
--- /dev/null
+++ b/steps/checkout.steps.ts
@@ -0,0 +1,32 @@
+import { Then } from '@cucumber/cucumber';
+import { getPage } from '../playwrightUtilities';
+import { Cart } from '../pages/cart.page';
+import { Checkout } from '../pages/checkout.page';
+
+Then('I will open the cart', async () => {
+  await new Cart(getPage()).openCart();
+});
+
+Then('I should see the product {string} in the cart', async (productName) => {
+  await new Cart(getPage()).validateProductInCart(productName);
+});
+
+Then('I will proceed to checkout', async () => {
+  await new Cart(getPage()).proceedToCheckout();
+});
+
+Then('I will fill in checkout information {string} {string} {string}', async (firstName, lastName, zip) => {
+  await new Checkout(getPage()).fillInformation(firstName, lastName, zip);
+});
+
+Then('I will continue to overview', async () => {
+  await new Checkout(getPage()).continueToOverview();
+});
+
+Then('I will finish the purchase', async () => {
+  await new Checkout(getPage()).finishPurchase();
+});
+
+Then('I should see the purchase confirmation text {string}', async (expectedText) => {
+  await new Checkout(getPage()).validateConfirmationText(expectedText);
+});
\ No newline at end of file
diff --git a/steps/login.steps.ts b/steps/login.steps.ts
index c2aa0d80..4aacccf4 100644
--- a/steps/login.steps.ts
+++ b/steps/login.steps.ts
@@ -1,6 +1,7 @@
 import { Then } from '@cucumber/cucumber';
 import { getPage } from '../playwrightUtilities';
 import { Login } from '../pages/login.page';
+import { Menu } from '../pages/menu.page';
 
 Then('I should see the title {string}', async (expectedTitle) => {
   await new Login(getPage()).validateTitle(expectedTitle);
@@ -8,4 +9,20 @@ Then('I should see the title {string}', async (expectedTitle) => {
 
 Then('I will login as {string}', async (userName) => {
   await new Login(getPage()).loginAsUser(userName);
+});
+
+Then('I will login with username {string} and password {string}', async (userName, password) => {
+  await new Login(getPage()).loginWithCredentials(userName, password);
+});
+
+Then('I should see the error message {string}', async (expectedMessage) => {
+  await new Login(getPage()).validateErrorMessage(expectedMessage);
+}); 
+
+Then('I will logout', async () => {
+  await new Menu(getPage()).logout();
+});
+
+Then('I should see the login page', async () => {
+  await new Menu(getPage()).validateLoginPage();
 });
\ No newline at end of file
diff --git a/steps/product.steps.ts b/steps/product.steps.ts
index bb52fb98..a2ba7492 100644
--- a/steps/product.steps.ts
+++ b/steps/product.steps.ts
@@ -4,4 +4,12 @@ import { Product } from '../pages/product.page';
 
 Then('I will add the backpack to the cart', async () => {
   await new Product(getPage()).addBackPackToCart();
-});
\ No newline at end of file
+});
+
+Then('I will sort products by {string}', async (sortOption: string) => {
+  await new Product(getPage()).sortByPrice(sortOption);
+});
+
+Then('I should see all items sorted by {string}', async (order) => {
+  await new Product(getPage()).validateSortedByPrice(order as 'asc' | 'desc');
+});