Creating interfaces for Config/PConfig & fix tests

index.php

@@ -22,6 +22,6 @@ $a = \Friendica\DI::app();
 $a->runFrontend(
 	$dice->create(\Friendica\App\Module::class),
 	$dice->create(\Friendica\App\Router::class),
-	$dice->create(\Friendica\Core\Config\PConfiguration::class),
+	$dice->create(\Friendica\Core\Config\IPConfiguration::class),
 	$dice->create(\Friendica\App\Authentication::class)
 );