Creating interfaces for Config/PConfig & fix tests

tests/bootstrap.php

@@ -3,9 +3,16 @@
  * This file is loaded by PHPUnit before any test.
  */
 
+use Dice\Dice;
+use Friendica\DI;
 use PHPUnit\Framework\TestCase;
 
 // Backward compatibility
 if (!class_exists(TestCase::class)) {
 	class_alias(PHPUnit_Framework_TestCase::class, TestCase::class);
 }
+
+$dice = new Dice();
+$dice = $dice->addRules(include  __DIR__ . '/../static/dependencies.config.php');
+
+DI::init($dice);