update test lib

Rx.NET/Source/Tests.System.Reactive/project.json

@@ -35,8 +35,8 @@
         "System.Reactive.Providers": { "target": "project" },
         "System.Reactive.Observable.Aliases": { "target": "project" },
         "xunit": "2.1.0",
-        "NETStandard.Library": "1.5.0-rc2-23925",
-        "System.Reflection.TypeExtensions": "4.1.0-rc2-23925"
+        "NETStandard.Library": "1.5.0-rc2-23929",
+        "System.Reflection.TypeExtensions": "4.1.0-rc2-23929"
     },
     "testRunner": "xunit",
     "frameworks": {
@@ -61,8 +61,8 @@
                 "debugType": "full"
             },
             "dependencies": {
-                "dotnet-test-xunit": "1.0.0-dev-121895-16",
-                "System.Runtime.Serialization.Primitives": "4.1.1-rc2-23925"
+                "dotnet-test-xunit": "1.0.0-dev-128011-22",
+                "System.Runtime.Serialization.Primitives": "4.1.1-rc2-23929"
             }
         },
         "net461": {