diff --git a/src/Logger/LogsHttpLogger.php b/src/Logger/LogsHttpLogger.php
index 0d350be..9cb515e 100644
--- a/src/Logger/LogsHttpLogger.php
+++ b/src/Logger/LogsHttpLogger.php
@@ -76,19 +76,9 @@ public function log($level, $message, array $context = array()) {
   }
 
   /**
-   * Register an event in the cache.
-   *
-   * To prevent multiple registration of the same error, we check that identical
-   * events are not captured twice, thus reducing the final HTTP requests needed.
-   *
-   * @param $level
-   *   The severity level.
-   * @param message
-   *   The message that contains the placeholders.
-   * @param array $context
-   *   The context as passed from the main Logger.
+   * {@inheritdoc}
    */
-  public function registerEvent($level, $message, array $context = []) {
+  public function registerEvent($level, $message, array $context) {
     if (!$this->isEnabled()) {
       return;
     }
@@ -183,4 +173,8 @@ public function isEnabled() {
   public function getUrl() {
     return $this->config->get('url');
   }
+
+  public function getCache() {
+    return $this->cache;
+  }
 }
diff --git a/src/Logger/LogsHttpLoggerInterface.php b/src/Logger/LogsHttpLoggerInterface.php
index b239c19..35c5f7d 100644
--- a/src/Logger/LogsHttpLoggerInterface.php
+++ b/src/Logger/LogsHttpLoggerInterface.php
@@ -15,13 +15,19 @@
   public function reset();
 
   /**
-   * Register an event.
+   * Register an event in the cache.
+   *
+   * To prevent multiple registration of the same error, we check that identical
+   * events are not captured twice, thus reducing the final HTTP requests needed.
    *
    * @param $level
+   *   The severity level.
    * @param message
+   *   The message that contains the placeholders.
    * @param array $context
+   *   The context as passed from the main Logger.
    */
-  public function registerEvent($level, $message, array $context = []);
+  public function registerEvent($level, $message, array $context);
 
   /**
    * A getter for the current events.
diff --git a/tests/src/Unit/LogsHttpLoggerTest.php b/tests/src/Unit/LogsHttpLoggerTest.php
index b48b89a..8eb8af3 100644
--- a/tests/src/Unit/LogsHttpLoggerTest.php
+++ b/tests/src/Unit/LogsHttpLoggerTest.php
@@ -37,6 +37,20 @@ class LogsHttpLoggerTest extends UnitTestCase {
    */
   protected $severityLevels;
 
+  /**
+   * The message to log.
+   *
+   * @var string
+   */
+  protected $message;
+
+  /**
+   * The context array with the log data.
+   *
+   * @var array
+   */
+  protected $context;
+
 
   /**
    * {@inheritdoc}
@@ -45,6 +59,10 @@ public function setUp() {
     $this->config = $this->prophesize(ConfigFactoryInterface::class);
     $this->logMessageParser = $this->prophesize(LogMessageParserInterface::class);
     $this->severityLevels = RfcLogLevel::getLevels();
+    $this->message = $this->randomMachineName();
+    $this->context = [
+      'timestamp' => time(),
+    ];
 
     $this
       ->config
@@ -76,6 +94,28 @@ public function testIsEnabled($enabled, $url, $expected) {
     $this->assertEquals($expected, $result);
   }
 
+  /**
+   * Test register event when setting is disabled.
+   *
+   * @covers ::registerEvent
+   */
+  public function testRegisterEventDisabled() {
+    $this
+      ->config
+      ->get('enabled')
+      ->willReturn(FALSE);
+
+    $this
+      ->config
+      ->get('url')
+      ->willReturn($this->randomMachineName());
+
+    $logger = new LogsHttpLogger($this->config->reveal(), $this->logMessageParser->reveal());
+    $logger->registerEvent(RfcLogLevel::CRITICAL, $this->message,  $this->context);
+
+    $this->assertEmpty($logger->getCache());
+  }
+
 
   /**
    * Provides test data to test isEnabled.