public async Task GetJourneysByStepIdsAsync_KnownId_ShouldReturnStep()
        {
            var result = await _dut.GetJourneysByStepIdsAsync(new List <int> {
                StepId
            });

            Assert.AreEqual(1, result.Count);
            Assert.AreEqual(JourneyId, result.Single().Id);
        }