public async Task WhenDeleteIsCalled_ThenShouldPassValuesToDeleteCommand()
        {
            var f = new DeleteTestsFixture();
            await f.Send();

            f.VerifyDeleteCohortCommandIsSentCorrectly();
        }
        public async Task WhenDeleteIsCalled_ThenShouldReturnNoContentResult()
        {
            var f        = new DeleteTestsFixture();
            var response = await f.Send();

            Assert.IsInstanceOf <NoContentResult>(response);
        }