public async Task ReturnsAllTrackedEventNames() { var timestamp = DateTime.UtcNow; var inputedEvents = new List <string>(); for (var i = 1; i <= 5; i++) { await userActivity.Track("event-" + i, timestamp, i); } var outputedEvents = await userActivity.EventNames(); inputedEvents.ForEach(n => Assert.Contains(n, outputedEvents)); }