public void does_not_apply_history_if_username_is_empty()
 {
     ClassUnderTest.ApplyHistory(theRequest);
     theSession.AssertWasNotCalled(x => x.Load <LoginFailureHistory>((string)null));
     theRequest.NumberOfTries.ShouldBe(0);
     theRequest.LockedOutUntil.ShouldBeNull();
 }