//[Fact] public async Task FindStudent_ShouldReturnAnonymousObject_WhenUknownIdPassed() { // Arrange var studentId = 0; // Act _repoMock.Setup(x => x.GetById(studentId)).ReturnsAsync((Student)null); dynamic result = await _controller.FindStudent(studentId); var valueFromAnnonymous = result.Value.GetType().GetProperty("text").GetValue(result.Value, null); //Assert Assert.NotNull(result); Assert.Equal("Server error!", valueFromAnnonymous); }