public async Task ChangeEmailStatusFromClose_Test()
        {
            var emailServiceMock        = new Mock <IEmailService>().Object;
            var concreteMailServiceMock = new Mock <IConcreteMailService>().Object;
            var searchServiceMock       = new Mock <ISearchService>().Object;
            var encodeDecodeServiceMock = new Mock <IEncodeDecodeService>().Object;

            var controller = new EmailController(emailServiceMock, concreteMailServiceMock,
                                                 searchServiceMock, encodeDecodeServiceMock);

            var setEmailStatusFromCloseToNew = "3 TestGmailId";

            var result = await controller.ChangeEmailStatusFromClose(setEmailStatusFromCloseToNew);

            Assert.IsInstanceOfType(result, typeof(JsonResult));
        }