[CONFIG] [.dotnet] test project excluded from collecting coverage.

Author: Gonzalo Diaz

algorithm-exercises-csharp-test/algorithm-exercises-csharp-test.csproj

@@ -35,6 +35,10 @@
     <PackageReference Include="ReportGenerator" Version="5.3.6" />
   </ItemGroup>
 
+  <ItemGroup>
+      <AssemblyAttribute Include="System.Diagnostics.CodeAnalysis.ExcludeFromCodeCoverageAttribute" />
+  </ItemGroup>
+  
   <ItemGroup>
     <Using Include="Microsoft.VisualStudio.TestTools.UnitTesting" />
   </ItemGroup>