public async Task BlockConditionCreation_ReturnsConflictResponse_GivenExistingId() { //Arrange Guid id = new Guid("64dc0403-db60-479a-bce4-8662e3a16e55"); _mockConditionService.Setup(c => c.ConditionExists(It.IsAny <Guid>())).ReturnsAsync(true); //Act var response = await _controller.BlockConditionCreation(id) as StatusCodeResult; //Assert Assert.Equal(StatusCodes.Status409Conflict, response.StatusCode); _mockConditionService.Verify(c => c.ConditionExists(id)); }