CacheLockDriverTest Fixings

- Changing test behaviour

tests/src/Core/Lock/SemaphoreLockDriverTest.php

@@ -2,26 +2,13 @@
 
 namespace Friendica\Test\src\Core\Lock;
 
-
 use Friendica\Core\Lock\SemaphoreLockDriver;
 
 class SemaphoreLockDriverTest extends LockTest
 {
-	/**
-	 * @var \Friendica\Core\Lock\SemaphoreLockDriver
-	 */
-	private $semaphoreLockDriver;
-
 	protected function getInstance()
 	{
-		$this->semaphoreLockDriver = new SemaphoreLockDriver();
-		return $this->semaphoreLockDriver;
-	}
-
-	public function tearDown()
-	{
-		$this->semaphoreLockDriver->releaseAll();
-		parent::tearDown();
+		return new SemaphoreLockDriver();
 	}
 
 	function testLockTTL()