public void TestBaseRepositoryTraceForBeforeAverageAsync() { // Prepare var trace = new Mock <ITrace>(); var repository = new TraceEntityRepository(trace.Object); // Act repository.AverageAsync(e => e.Id, (object)null).Wait(); // Assert trace.Verify(t => t.BeforeAverage(It.IsAny <CancellableTraceLog>()), Times.Once); }