public void VerifyProviderAssignedEmailIsNotSentIfItIsAChangeOfProviderRequest()
 {
     PasAccountApiClient.Verify(x => x.SendEmailToAllProviderRecipients(It.IsAny <long>(), It.IsAny <ProviderEmailRequest>(),
                                                                        It.IsAny <CancellationToken>()), Times.Never);
 }