public function testIsHidden()
{
$authoringService = wfAuthoring_models_classes_ProcessService::singleton();
$processDefinitionClass = new core_kernel_classes_Class(CLASS_PROCESS);
$processDefinition = $processDefinitionClass->createInstance('ProcessForUnitTest', 'Unit test');
$this->assertIsA($processDefinition, 'core_kernel_classes_Resource');
//define activities and connectors
$activity1 = $authoringService->createActivity($processDefinition, 'activity1');
$this->assertFalse($this->service->isHidden($activity1));
$this->service->setHidden($activity1, true);
$this->assertTrue($this->service->isHidden($activity1));
$this->service->setHidden($activity1, false);
$this->assertFalse($this->service->isHidden($activity1));
$activity1->delete(true);
$processDefinition->delete(true);
}
