public void SetUp() { _description = _faker.Random.Words(); _mockHealthCheckService = new Mock <IHealthCheckService>(); CompositeHealthCheckResult compositeHealthCheckResult = new CompositeHealthCheckResult(CheckStatus.Healthy); compositeHealthCheckResult.Add("test", CheckStatus.Healthy, _description); _mockHealthCheckService.Setup(s => s.CheckHealthAsync(It.IsAny <CancellationToken>())) .ReturnsAsync(compositeHealthCheckResult); _classUnderTest = new DbHealthCheckUseCase(_mockHealthCheckService.Object); }