Clean skippable tests that are never skipped

Author: fancyweb

Tests/EventListener/DebugHandlersListenerTest.php

@@ -192,10 +192,6 @@ public function provideLevelsAssignedToLoggers(): array
      */
     public function testLevelsAssignedToLoggers(bool $hasLogger, bool $hasDeprecationLogger, $levels, $expectedLoggerLevels, $expectedDeprecationLoggerLevels)
     {
-        if (!class_exists(ErrorHandler::class)) {
-            $this->markTestSkipped('ErrorHandler component is required to run this test.');
-        }
-
         $handler = $this->createMock(ErrorHandler::class);
 
         $expectedCalls = [];