public async Task ConfigureMongoDbIndexesService_Executes_Task()
{
var target = CreateTarget();
var task = target.StartAsync(CancellationToken.None);
await task;
await Task.Delay(1000);
Assert.IsTrue(task.IsCompleted);
await target.StopAsync(CancellationToken.None);
VerifyInformationWasLogged(LoggerMock);
ClientMock.Verify(s => s.GetDatabase(It.IsAny <string>(), null), Times.Once);
DatabaseMock.Verify(
s => s.GetCollection <User>(nameof(User), null), Times.Once);
CollectionMock.VerifyGet(s => s.Indexes, Times.Once);
IndexManagerMock.Verify(
s => s.CreateOneAsync(It.IsAny <CreateIndexModel <User> >(), null, CancellationToken.None),
Times.Once);
}