Update xunit dotnet runner to .NET core compatible version

Author: russcam

paket.dependencies

@@ -12,7 +12,7 @@ nuget System.Collections.Immutable
 //tests
 nuget xunit 
 nuget FluentAssertions 
-nuget Bogus prerelease
+nuget Bogus
 nuget DiffPlex 
 
 // profiling / benchmarking

src/Tests/Tests.xproj

@@ -20,7 +20,7 @@
   <Import Project="$(VSToolsPath)\DotNet\Microsoft.DotNet.targets" Condition="'$(VSToolsPath)' != ''" />
   <ProjectExtensions>
     <VisualStudio>
-      <UserProperties project_1json__JSONSchema="http://json.schemastore.org/sourcemap-v3" />
+      <UserProperties />
     </VisualStudio>
   </ProjectExtensions>
 </Project>

src/Tests/project.json

@@ -1,5 +1,5 @@
 {
-  "version": "2.3.3",
+  "version": "2.4.0",
   "buildOptions": {
     "warningsAsErrors": false
   },
@@ -11,8 +11,8 @@
     "Nest": { "target": "project" },
     "Newtonsoft.Json": "9.0.1",
     "Rx-Main": "2.3.0-beta2",
-    "xunit": "2.1.0",
-    "dotnet-test-xunit": "1.0.0-*"
+    "xunit": "2.2.0-beta2-build3300",
+    "dotnet-test-xunit": "2.2.0-preview2-build1029"
   },
   "configurations": {
     "Debug": {
@@ -62,4 +62,4 @@
       ]
     }
   }
-}
+}