Cleanup.

src/Squidex.Infrastructure.MongoDb/EventStore/MongoEventCommit.cs

@@ -7,7 +7,6 @@
 // ==========================================================================
 
 using System;
-using System.Collections.Generic;
 using MongoDB.Bson;
 using MongoDB.Bson.Serialization.Attributes;
 

tests/Squidex.Infrastructure.Tests/CQRS/Commands/DefaultDomainObjectRepositoryTests.cs

@@ -141,7 +141,7 @@ namespace Squidex.Infrastructure.CQRS.Commands
             eventDataFormatter.Setup(x => x.ToEventData(It.Is<Envelope<IEvent>>(e => e.Payload == event1), commitId)).Returns(eventData1);
             eventDataFormatter.Setup(x => x.ToEventData(It.Is<Envelope<IEvent>>(e => e.Payload == event2), commitId)).Returns(eventData2);
 
-            eventStore.Setup(x => x.AppendEventsAsync(commitId, streamName, 123, It.Is<ICollection<EventData>>(e => e.Count() == 2)))
+            eventStore.Setup(x => x.AppendEventsAsync(commitId, streamName, 123, It.Is<ICollection<EventData>>(e => e.Count == 2)))
                 .Returns(TaskHelper.Done)
                 .Verifiable();