public void VerifyNotDeleted()
 {
     MockDirectory.Verify(m => m.Delete(true), Times.Never());
 }
 public void VerifyCreated()
 {
     MockDirectory.Verify(m => m.Create(), Times.Once());
 }
 public void VerifyDeleted()
 {
     MockDirectory.Verify(m => m.Delete(true), Times.Once());
 }