Update xunit version

Rx.NET/Source/Directory.build.props

@@ -12,7 +12,7 @@
     <DebugType>embedded</DebugType>
     <SignAssembly>true</SignAssembly>
     <AssemblyOriginatorKeyFile>$(MSBuildThisFileDirectory)ReactiveX.snk</AssemblyOriginatorKeyFile>
-    <NoWarn>$(NoWarn);CS1591</NoWarn>
+    <NoWarn>$(NoWarn);1701;1702;CS1591</NoWarn>
     <DefaultLanguage>en-US</DefaultLanguage>
     <IncludeSymbols>false</IncludeSymbols>
     <IsTestProject>$(MSBuildProjectName.Contains('Test'))</IsTestProject>
@@ -23,7 +23,7 @@
   </ItemGroup>
   
   <ItemGroup Condition="'$(IsTestProject)' != 'true' and '$(SourceLinkEnabled)' != 'false'">
-    <PackageReference Include="SourceLink.Create.CommandLine" Version="2.1.0" PrivateAssets="All" /> 
+    <PackageReference Include="SourceLink.Create.CommandLine" Version="2.1.2" PrivateAssets="All" /> 
   </ItemGroup>
   
   <!-- Workaround -->

Rx.NET/Source/build-new.ps1

@@ -30,7 +30,7 @@ if (!(Test-Path .\nuget.exe)) {
 # get tools
 .\nuget.exe install -excludeversion SignClient -Version 0.7.0 -outputdirectory packages
 .\nuget.exe install -excludeversion JetBrains.dotCover.CommandLineTools -pre -outputdirectory packages
-.\nuget.exe install -excludeversion Nerdbank.GitVersioning -Version 2.0.4-beta -pre -outputdirectory packages
+.\nuget.exe install -excludeversion Nerdbank.GitVersioning -Version 2.0.21-beta -pre -outputdirectory packages
 .\nuget.exe install -excludeversion xunit.runner.console -pre -outputdirectory packages
 #.\nuget.exe install -excludeversion OpenCover -Version 4.6.519 -outputdirectory packages
 .\nuget.exe install -excludeversion ReportGenerator -outputdirectory packages
@@ -111,7 +111,7 @@ $testDirectory = Join-Path $scriptPath "tests\Tests.System.Reactive"
 
 # Run .NET Core only for now until perf improves on the runner for .net desktop
 $dotnet = "$env:ProgramFiles\dotnet\dotnet.exe"
-.\packages\JetBrains.dotCover.CommandLineTools\tools\dotCover.exe cover /targetexecutable="$dotnet" /targetworkingdir="$testDirectory" /targetarguments="test -c $configuration --no-build -f netcoreapp1.0 --filter:SkipCI!=true" /output="$outputFileDotCover1" /Filters="+:module=System.Reactive;+:module=Microsoft.Reactive.Testing;+:module=System.Reactive.Observable.Aliases;-:type=Xunit*" /DisableDefaultFilters /ReturnTargetExitCode /AttributeFilters="System.Diagnostics.CodeAnalysis.ExcludeFromCodeCoverageAttribute"
+.\packages\JetBrains.dotCover.CommandLineTools\tools\dotCover.exe cover /targetexecutable="$dotnet" /targetworkingdir="$testDirectory" /targetarguments="test -c $configuration --no-build -f netcoreapp1.1 --filter:SkipCI!=true" /output="$outputFileDotCover1" /Filters="+:module=System.Reactive;+:module=Microsoft.Reactive.Testing;+:module=System.Reactive.Observable.Aliases;-:type=Xunit*" /DisableDefaultFilters /ReturnTargetExitCode /AttributeFilters="System.Diagnostics.CodeAnalysis.ExcludeFromCodeCoverageAttribute"
 
 if ($LastExitCode -ne 0) { 
 	Write-Host "Error with tests" -Foreground Red

Rx.NET/Source/tests/Tests.System.Reactive/Tests.System.Reactive.csproj

@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>net46;netcoreapp1.0</TargetFrameworks>
+    <TargetFrameworks>net46;netcoreapp1.1</TargetFrameworks>
     <NoWarn>$(NoWarn);CS0618</NoWarn>
   </PropertyGroup> 
   
@@ -15,9 +15,9 @@
     <Reference Include="WindowsBase" />
   </ItemGroup>
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.0.0" />
-    <PackageReference Include="xunit" Version="2.3.0-beta1-build3561" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="2.3.0-beta1-build1279" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.3.0-preview-20170601-03" />
+    <PackageReference Include="xunit" Version="2.3.0-beta3-build3705" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.3.0-beta3-build3705" />
     <ProjectReference Include="..\..\src\System.Reactive\System.Reactive.csproj" />
     <ProjectReference Include="..\..\src\System.Reactive.Observable.Aliases\System.Reactive.Observable.Aliases.csproj" />
     <ProjectReference Include="..\..\src\Microsoft.Reactive.Testing\Microsoft.Reactive.Testing.csproj" />