public async Task ApproveParticipant_Status200OK_ReturnsStatus200OK() { // Arrange _actionManager .Setup((x) => x.ApproveParticipantAsync(It.IsAny <int>())) .ReturnsAsync(StatusCodes.Status200OK); var expected = StatusCodes.Status200OK; // Act var result = await _eventsController.ApproveParticipant(It.IsAny <int>()); var actual = (result as StatusCodeResult).StatusCode; // Assert Assert.AreEqual(expected, actual); }