Clean up tests project file

Author: bording

LibGit2Sharp.Tests/LibGit2Sharp.Tests.csproj

@@ -4,26 +4,25 @@
     <TargetFrameworks>net46;netcoreapp2.0</TargetFrameworks>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <DefineConstants Condition=" '$(TargetFramework)' == 'net46' ">$(DefineConstants);DESKTOP</DefineConstants>
-    <IsPackable>false</IsPackable>
   </PropertyGroup>
 
-  <ItemGroup>
-    <Compile Include="..\LibGit2Sharp\Core\Epoch.cs" Link="TestHelpers\Epoch.cs" />
-    <Compile Include="..\LibGit2Sharp\Core\Platform.cs" Link="TestHelpers\Platform.cs" />
-    <Compile Remove="desktop\**" Condition=" '$(TargetFramework)' != 'net46' " />
-  </ItemGroup>
-
   <ItemGroup>
     <ProjectReference Include="..\LibGit2Sharp\LibGit2Sharp.csproj" />
   </ItemGroup>
 
   <ItemGroup>
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.5.0" />
     <PackageReference Include="Moq" Version="4.7.145" />
     <PackageReference Include="xunit" Version="2.3.1" />
-    <PackageReference Include="xunit.skippablefact" Version="1.3.3" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="2.3.1" />
     <PackageReference Include="xunit.runner.console" Version="2.3.1" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.5.0" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.3.1" />
+    <PackageReference Include="xunit.skippablefact" Version="1.3.3" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <Compile Include="..\LibGit2Sharp\Core\Epoch.cs" Link="TestHelpers\Epoch.cs" />
+    <Compile Include="..\LibGit2Sharp\Core\Platform.cs" Link="TestHelpers\Platform.cs" />
+    <Compile Remove="desktop\**" Condition=" '$(TargetFramework)' != 'net46' " />
   </ItemGroup>
 
 </Project>