Changed versions to latest release.

Author: neogeek

NETCoreAppClassLibraryTest/NETCoreAppClassLibraryTest.csproj

@@ -6,8 +6,8 @@
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="nunit" Version="3.12.0" />
-    <PackageReference Include="NUnit3TestAdapter" Version="4.0.0-alpha.1" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.8.0-preview-20200921-01" />
+    <PackageReference Include="NUnit3TestAdapter" Version="3.15.1" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.4.0" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\NETStandardClassLibrary\NETStandardClassLibrary.csproj" />