public void AddClaim() { Claim request = new Claim { ClaimId = 0, Title = "Test", Description = "Test" }; mockRepository.Setup(m => m.AddClaim(It.IsAny <Claim>())).Returns(true); var mockClaimService = new ClaimsService(mockRepository.Object); var result = mockClaimService.AddClaim(request); mockClaimService.Should().NotBeNull(); Assert.AreEqual(true, result); }