N°4624 align phpunit annotations

Remove processIsolation when not needed
When needed, make sure to have also their counterpart (preserveGlobalState and backupGlobals)

test/core/apcEmulationTest.php

@@ -27,16 +27,10 @@
 namespace Combodo\iTop\Test\UnitTest\Core;
 
 use Combodo\iTop\Test\UnitTest\ItopTestCase;
-use PHPUnit\Framework\TestCase;
 
 define('UNIT_MAX_CACHE_FILES', 10);
 
 
-/**
- * @runTestsInSeparateProcesses
- * @preserveGlobalState disabled
- * @backupGlobals disabled
- */
 class apcEmulationTest extends ItopTestCase
 {