Added some methods to context inspector. Also minor tweak to server context IsCancelled() method
diff --git a/test/cpp/interop/server_helper.cc b/test/cpp/interop/server_helper.cc
index 0f8b89c..30a78ff 100644
--- a/test/cpp/interop/server_helper.cc
+++ b/test/cpp/interop/server_helper.cc
@@ -62,5 +62,14 @@
     const ::grpc::ServerContext& context)
     : context_(context) {}
 
+std::shared_ptr<const AuthContext> InteropContextInspector::GetAuthContext()
+    const {
+  return context_.auth_context();
+}
+
+bool InteropContextInspector::IsCancelled() const {
+  return context_.IsCancelled();
+}
+
 }  // namespace testing
 }  // namespace grpc
diff --git a/test/cpp/interop/server_helper.h b/test/cpp/interop/server_helper.h
index d738d05..ce977b4 100644
--- a/test/cpp/interop/server_helper.h
+++ b/test/cpp/interop/server_helper.h
@@ -48,7 +48,9 @@
  public:
   InteropContextInspector(const ::grpc::ServerContext& context);
 
-  // Inspector methods, able to peek inside ServerContext go here.
+  // Inspector methods, able to peek inside ServerContext, follow.
+  std::shared_ptr<const AuthContext> GetAuthContext() const;
+  bool IsCancelled() const;
 
  private:
   const ::grpc::ServerContext& context_;