Fix PHP test.

Author: abdelmalekkkkk

tests/phpunit/integration/Modules/Analytics_4/Advanced_Tracking/Script_InjectorTest.php

@@ -24,16 +24,7 @@
 class Script_InjectorTest extends TestCase {
 
 	public function test_inject_event_script() {
-		// Use mock context to return development script path, just so that a JS file containing the expected
-		// placeholder string is found, regardless of whether JS build process has run.
-		$context = $this->getMockBuilder( Context::class )
-			->setConstructorArgs( array( GOOGLESITEKIT_PLUGIN_MAIN_FILE ) )
-			->setMethods( array( 'path' ) )
-			->getMock();
-		$context
-			->expects( $this->once() )
-			->method( 'path' )
-			->willReturn( dirname( GOOGLESITEKIT_PLUGIN_MAIN_FILE ) . '/assets/js/analytics-advanced-tracking.js' );
+		$context = new Context( GOOGLESITEKIT_PLUGIN_MAIN_FILE );
 
 		$script_injector = new Script_Injector( $context );