Neos\Flow\Error\Debugger::clearState PHP Method

    public static function clearState()
    {
        self::$renderedObjects = [];
        self::$ignoredClassesRegex = '';
    }

 /**
  * @test
  */
 public function ignoredClassesCanBeOverwrittenBySettings()
 {
     $object = new ApplicationContext('Development');
     $this->assertEquals(sprintf('%s prototype object', ApplicationContext::class), Debugger::renderDump($object, 10, true));
     Debugger::clearState();
     $currentConfiguration = ObjectAccess::getProperty($this->configurationManager, 'configurations', true);
     $configurationOverwrite['Settings']['Neos']['Flow']['error']['debugger']['ignoredClasses']['Neos\\\\Flow\\\\Core\\\\.*'] = false;
     $newConfiguration = Arrays::arrayMergeRecursiveOverrule($currentConfiguration, $configurationOverwrite);
     ObjectAccess::setProperty($this->configurationManager, 'configurations', $newConfiguration, true);
     $this->assertContains('rootContextString', Debugger::renderDump($object, 10, true));
 }