Fixing dependencies.
diff --git a/build.json b/build.json
index 67ab70a..3f00c6d 100644
--- a/build.json
+++ b/build.json
@@ -666,7 +666,8 @@
         "test/cpp/qps/timer.cc"
       ],
       "deps": [
-        "grpc_test_util"
+        "grpc_test_util",
+        "grpc++_test_util"
       ]
     },
     {