public function testHasIdentityCheck()
 {
     $role = new Role();
     $referenceRepository = new ReferenceRepository($this->getMockSqliteEntityManager());
     $referenceRepository->setReferenceIdentity('entity', $role);
     $this->assertTrue($referenceRepository->hasIdentity('entity'));
     $this->assertFalse($referenceRepository->hasIdentity('invalid_entity'));
     $this->assertEquals(['entity' => $role], $referenceRepository->getIdentities());
 }