Fixing xUnit not recognizing .Net Core framework 2.0

errormessage.bat

C:\Solution\test\Project.Tests>dotnet xunit
Detecting target frameworks in Project.Tests.csproj...
Building for framework netcoreapp2.0...
  Dangl.AVA -> C:\Solution\src\Project\bin\Debug\netstandard1.3\Project.dll
  Dangl.AVA.Tests -> C:\Solution\test\Project.Tests\bin\Debug\netcoreapp2.0\Project.Tests.dll
Running .NET Core 2.0 tests for framework netcoreapp2.0...
The specified framework version '2.0' could not be parsed
The specified framework 'Microsoft.NETCore.App', version '2.0' was not found.
  - Check application dependencies and target a framework version installed at:
      \
  - Alternatively, install the framework version '2.0'.
  

testproject.csproj

<Project Sdk="Microsoft.NET.Sdk">

  <PropertyGroup>
    <TargetFrameworks>netcoreapp2.0;netcoreapp1.1;netcoreapp1.0;net461;net46;net47</TargetFrameworks>
    <!-- Required, otherwise multiple 2.0.x frameworks lead to xUnit not discovering the framework to run in -->
    <RuntimeFrameworkVersion Condition=" '$(TargetFramework)' == 'netcoreapp2.0' ">2.0.0</RuntimeFrameworkVersion>
  </PropertyGroup>

    <ItemGroup>
    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.5.0-preview-20170914-09" />
    <PackageReference Include="xunit.runner.visualstudio" Version="2.3.1" />
    <PackageReference Include="xunit" Version="2.3.1" />
    <DotNetCliToolReference Include="dotnet-xunit" Version="2.3.1" />
  </ItemGroup>
  
</Project>