1 files changed, 17 insertions, 2 deletions
diff --git a/test/cpp/end2end/interceptors_util.h b/test/cpp/end2end/interceptors_util.h
index b4c4791fca..659e613d2e 100644
--- a/test/cpp/end2end/interceptors_util.h
+++ b/test/cpp/end2end/interceptors_util.h
@@ -82,6 +82,22 @@ class DummyInterceptorFactory
   }
 };
 
+/* This interceptor factory returns nullptr on interceptor creation */
+class NullInterceptorFactory
+    : public experimental::ClientInterceptorFactoryInterface,
+      public experimental::ServerInterceptorFactoryInterface {
+ public:
+  virtual experimental::Interceptor* CreateClientInterceptor(
+      experimental::ClientRpcInfo* info) override {
+    return nullptr;
+  }
+
+  virtual experimental::Interceptor* CreateServerInterceptor(
+      experimental::ServerRpcInfo* info) override {
+    return nullptr;
+  }
+};
+
 class EchoTestServiceStreamingImpl : public EchoTestService::Service {
  public:
   ~EchoTestServiceStreamingImpl() override {}
@@ -149,8 +165,7 @@ void MakeCallbackCall(const std::shared_ptr<Channel>& channel);
 bool CheckMetadata(const std::multimap<grpc::string_ref, grpc::string_ref>& map,
                    const string& key, const string& value);
 
-std::unique_ptr<std::vector<
-    std::unique_ptr<experimental::ClientInterceptorFactoryInterface>>>
+std::vector<std::unique_ptr<experimental::ClientInterceptorFactoryInterface>>
 CreateDummyClientInterceptors();
 
 inline void* tag(int i) { return (void*)static_cast<intptr_t>(i); }