diff --git a/phpBB/phpbb/install/module/install_finish/task/install_extensions.php b/phpBB/phpbb/install/module/install_finish/task/install_extensions.php
index d92f420202..bc13795188 100644
--- a/phpBB/phpbb/install/module/install_finish/task/install_extensions.php
+++ b/phpBB/phpbb/install/module/install_finish/task/install_extensions.php
@@ -97,11 +97,6 @@ class install_extensions extends \phpbb\install\task_base
 	 */
 	public function run()
 	{
-		if (defined('PHPBB_ENVIRONMENT') && PHPBB_ENVIRONMENT === 'test')
-		{
-			return;
-		}
-
 		$this->user->session_begin();
 		$this->user->setup(array('common', 'acp/common', 'cli'));
 
@@ -134,7 +129,7 @@ class install_extensions extends \phpbb\install\task_base
 	 */
 	static public function get_step_count()
 	{
-		return 0;
+		return 1;
 	}
 
 	/**
diff --git a/phpBB/phpbb/install/module/update_database/task/update_extensions.php b/phpBB/phpbb/install/module/update_database/task/update_extensions.php
index a6648084a6..a73fa9b854 100644
--- a/phpBB/phpbb/install/module/update_database/task/update_extensions.php
+++ b/phpBB/phpbb/install/module/update_database/task/update_extensions.php
@@ -157,7 +157,7 @@ class enable_extensions extends task_base
 	 */
 	static public function get_step_count()
 	{
-		return 0;
+		return 1;
 	}
 
 	/**
diff --git a/tests/test_framework/phpbb_functional_test_case.php b/tests/test_framework/phpbb_functional_test_case.php
index 20b89aba4e..2a37ca0e53 100644
--- a/tests/test_framework/phpbb_functional_test_case.php
+++ b/tests/test_framework/phpbb_functional_test_case.php
@@ -309,6 +309,8 @@ class phpbb_functional_test_case extends phpbb_test_case
 
 		$container->register('installer.install_finish.notify_user')->setSynthetic(true);
 		$container->set('installer.install_finish.notify_user', new phpbb_mock_null_installer_task());
+		$container->register('installer.install_finish.install_extensions')->setSynthetic(true);
+		$container->set('installer.install_finish.install_extensions', new phpbb_mock_null_installer_task());
 		$container->compile();
 
 		$language = $container->get('language');