diff --git a/test/OpenTelemetry.Contrib.Shared.Tests/OpenTelemetry.Contrib.Shared.Tests.csproj b/test/OpenTelemetry.Contrib.Shared.Tests/OpenTelemetry.Contrib.Shared.Tests.csproj
index 53e2d966e5..f6b04bb9c4 100644
--- a/test/OpenTelemetry.Contrib.Shared.Tests/OpenTelemetry.Contrib.Shared.Tests.csproj
+++ b/test/OpenTelemetry.Contrib.Shared.Tests/OpenTelemetry.Contrib.Shared.Tests.csproj
@@ -7,14 +7,18 @@
   </PropertyGroup>
 
   <ItemGroup>
+    <PackageReference Include="Microsoft.Extensions.Configuration" Version="$(MicrosoftExtensionsConfigurationPkgVer)"/>
     <PackageReference Include="OpenTelemetry.Api" Version="$(OpenTelemetryCoreLatestVersion)" />
   </ItemGroup>
 
   <ItemGroup>
     <Compile Include="$(RepoRoot)\src\Shared\ActivityHelperExtensions.cs" Link="Includes\ActivityHelperExtensions.cs" />
     <Compile Include="$(RepoRoot)\src\Shared\ActivityInstrumentationHelper.cs" Link="Includes\ActivityInstrumentationHelper.cs" />
+    <Compile Include="$(RepoRoot)\src\Shared\DatabaseSemanticConventionHelper.cs" Link="Includes\DatabaseSemanticConventionHelper.cs" />
+    <Compile Include="$(RepoRoot)\src\Shared\EnvironmentVariables\*.cs" Link="Includes\EnvironmentVariables\%(Filename).cs" />
     <Compile Include="$(RepoRoot)\src\Shared\GrpcTagHelper.cs" Link="Includes\GrpcTagHelper.cs" />
     <Compile Include="$(RepoRoot)\src\Shared\GrpcStatusCanonicalCode.cs" Link="Includes\GrpcStatusCanonicalCode.cs" />
+    <Compile Include="$(RepoRoot)\src\Shared\NullableAttributes.cs" Link="Includes\NullableAttributes.cs" />
     <Compile Include="$(RepoRoot)\src\Shared\PropertyFetcher.AOT.cs" Link="Includes\PropertyFetcher.AOT.cs" />
     <Compile Include="$(RepoRoot)\src\Shared\RedactionHelper.cs" Link="Includes\RedactionHelper.cs" />
     <Compile Include="$(RepoRoot)\src\Shared\RequestDataHelper.cs" Link="Includes\RequestDataHelper.cs" />