Merge pull request #27490 from dotnet/johluo/grpc-interop

Re-enable gRPC interop tests for macOS and Linux

Author: John Luo

src/Grpc/test/InteropTests/InteropTests.csproj

@@ -4,7 +4,6 @@
     <ContainsFunctionalTestAssets>true</ContainsFunctionalTestAssets>
     <TargetFramework>$(DefaultNetCoreTargetFramework)</TargetFramework>
     <TestDependsOnAspNetRuntime>true</TestDependsOnAspNetRuntime>
-    <IsWindowsOnlyTest>true</IsWindowsOnlyTest>
   </PropertyGroup>
 
   <ItemGroup>