public void ListRelationshipsReturns200WhenPersonIsFound()
        {
            _mockRelationshipsUseCase.Setup(x => x.ExecuteGet(It.IsAny <long>())).Returns(new ListRelationshipsResponse());

            var response = _classUnderTest.ListRelationships(123456789) as ObjectResult;

            response?.StatusCode.Should().Be(200);
        }