public function testgetUpdateContact()
 {
     $aopCaseUpdates = new AOP_Case_Updates();
     //execute the method without contact_id and verify that it returns null
     $result = $aopCaseUpdates->getUpdateContact();
     $this->assertEquals(null, $result);
     //execute the method without contact_id and verify that it returns false
     $aopCaseUpdates->contact_id = 1;
     $result = $aopCaseUpdates->getUpdateContact();
     $this->assertEquals(false, $result);
 }