1 files changed, 11 insertions, 0 deletions
diff --git a/src/csharp/Grpc.Core.Tests/Internal/AsyncCallTest.cs b/src/csharp/Grpc.Core.Tests/Internal/AsyncCallTest.cs
index 1fa895ba71..5747f3ba04 100644
--- a/src/csharp/Grpc.Core.Tests/Internal/AsyncCallTest.cs
+++ b/src/csharp/Grpc.Core.Tests/Internal/AsyncCallTest.cs
@@ -137,6 +137,12 @@ namespace Grpc.Core.Internal.Tests
                 set;
             }
 
+            public ReceivedResponseHeadersHandler ReceivedResponseHeadersHandler
+            {
+                get;
+                set;
+            }
+
             public SendCompletionHandler SendCompletionHandler
             {
                 get;
@@ -206,6 +212,11 @@ namespace Grpc.Core.Internal.Tests
                 ReceivedMessageHandler = callback;
             }
 
+            public void StartReceiveInitialMetadata(ReceivedResponseHeadersHandler callback)
+            {
+                ReceivedResponseHeadersHandler = callback;
+            }
+
             public void StartSendInitialMetadata(SendCompletionHandler callback, MetadataArraySafeHandle metadataArray)
             {
                 SendCompletionHandler = callback;