public function testWhenActivationCodeIsInvalid()
 {
     $activationCode = uniqid();
     $this->activationRepo->expects($this->once())->method('FindUserIdByCode')->with($this->equalTo($activationCode))->will($this->returnValue(null));
     $result = $this->activation->Activate($activationCode);
     $this->assertFalse($result->Activated());
 }