Attached a failing test, after installing System.Reactive through nuget.
System.IO.FileLoadException : Could not load file or assembly 'System.Reactive.Core, Version=2.2.5.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' or one of its dependencies. The located assembly's manifest definition does not match the assembly reference. (Exception from HRESULT: 0x80131040)
----> System.IO.FileLoadException : The located assembly's manifest definition does not match the assembly reference. (Exception from HRESULT: 0x80131040)
at Raven.Client.Document.Subscription`1.StartWatchingDocs()
at Raven.Client.Document.Subscription`1..ctor(Int64 id, String database, SubscriptionConnectionOptions options, IAsyncDatabaseCommands commands, IDatabaseChanges changes, DocumentConvention conventions, Boolean open, Func`1 ensureOpenSubscription) in c:\Builds\RavenDB-Stable-3.0\Raven.Client.Lightweight\Document\Subscription.cs:line 86
at Raven.Client.Document.AsyncDocumentSubscriptions.<OpenAsync>d__8`1.MoveNext() in c:\Builds\RavenDB-Stable-3.0\Raven.Client.Lightweight\Document\AsyncDocumentSubscriptions.cs:line 101
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at Raven.Abstractions.Util.AsyncHelpers.<>c__DisplayClassb`1.<<RunSync>b__8>d__d.MoveNext() in c:\Builds\RavenDB-Stable-3.0\Raven.Abstractions\Util\AsyncHelpers.cs:line 75
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at Raven.Abstractions.Util.AsyncHelpers.RunSync[T](Func`1 task) in c:\Builds\RavenDB-Stable-3.0\Raven.Abstractions\Util\AsyncHelpers.cs:line 90
at Raven.Client.Document.DocumentSubscriptions.Open(Int64 id, SubscriptionConnectionOptions options, String database) in c:\Builds\RavenDB-Stable-3.0\Raven.Client.Lightweight\Document\DocumentSubscriptions.cs:line 35
at System.Reactive.RavenTestSample.TestCanReferenceReactiveExtensions() in C:\Temp\rxrdb\System.Reactive\System.Reactive\RavenTestSample.cs:line 28
--FileLoadException