backend frame coverage

Author: Stepami

src/Domain/HydraScript.Domain.BackEnd/Impl/Values/Name.cs

@@ -1,3 +1,5 @@
+using System.Diagnostics.CodeAnalysis;
+
 namespace HydraScript.Domain.BackEnd.Impl.Values;
 
 public class Name(string id, IFrame frame) : IValue
@@ -19,6 +21,7 @@ other is Name that &&
 
     internal static readonly IFrame NullFrameInstance = new NullFrame();
 
+    [ExcludeFromCodeCoverage]
     private sealed class NullFrame : IFrame
     {
         public object? this[string id]

tests/HydraScript.IntegrationTests/HydraScript.IntegrationTests.csproj

@@ -47,6 +47,9 @@
         <None Update="Samples\equals.js">
             <CopyToOutputDirectory>Always</CopyToOutputDirectory>
         </None>
+        <None Update="Samples\env.js">
+            <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+        </None>
         <None Update="Samples\exprtest.js">
             <CopyToOutputDirectory>Always</CopyToOutputDirectory>
         </None>