public function test_filterUnwantedFiles_returnsAllFilesIfNoFilterSpecified()
 {
     $this->config->addReadDirectories($this->entitiesDir);
     $addMethod = TestHelper::getAccessibleNonPublicMethod($this->worker, 'findAllTargetFiles');
     $files = $addMethod->invoke($this->worker, $this->config);
     $this->config->addToAllDetectedFiles($files);
     $method = TestHelper::getAccessibleNonPublicMethod($this->worker, 'filterUnwantedFiles');
     $actual = $method->invoke($this->worker, $this->config);
     $this->assertEquals(7, count($actual));
 }