/**
  * @covers ClassTypeDescription
  */
 public function testInstantiateAndCheck()
 {
     $typeDescription = new ClassTypeDescription('lib.pkp.tests.classes.filter.TestClass1');
     $compatibleObject = new TestClass1();
     $wrongObject = new TestClass2();
     self::assertTrue($typeDescription->isCompatible($compatibleObject));
     self::assertFalse($typeDescription->isCompatible($wrongObject));
 }