public async Task Post_ReturnsOkResult_WhenInputDataIsValid() { var userId = Guid.NewGuid(); SetupRequestHeader(_sut, userId); _teamServiceMock .Setup(teamService => teamService.GetAsync(userId, It.IsAny <Guid>())) .ReturnsAsync(new TeamDto { Owner = new UserDto { Id = userId } }); var result = await _sut.Post(userId, new UserApiModel { Id = Guid.NewGuid() }); Assert.IsType(typeof(OkResult), result); }