Temporarily skip SignalR TS client tests (#11398)

Author: BrennanConroy

src/SignalR/clients/ts/client-ts.npmproj

@@ -4,7 +4,7 @@
   <PropertyGroup>
     <IsPackable>false</IsPackable>
     <IsBuildable>false</IsBuildable>
-    <IsTestProject>true</IsTestProject>
+    <IsTestProject>false</IsTestProject>
   </PropertyGroup>
 
   <ItemGroup>