Forcibly cast in interop test

carl-mastrangelo · carl-mastrangelo · commit c86b547dd360 · 2015-07-31T15:22:09.000-07:00
diff --git a/interop-testing/src/main/java/io/grpc/testing/integration/AbstractTransportTest.java b/interop-testing/src/main/java/io/grpc/testing/integration/AbstractTransportTest.java
@@ -711,7 +711,7 @@ public void serviceAccountCreds(String jsonKey, InputStream credentialsStream, S
       throws Exception {
     // cast to ServiceAccountCredentials to double-check the right type of object was created.
     GoogleCredentials credentials =
-        (ServiceAccountCredentials) GoogleCredentials.fromStream(credentialsStream);
+        ServiceAccountCredentials.class.cast(GoogleCredentials.fromStream(credentialsStream));
     credentials = credentials.createScoped(Arrays.<String>asList(authScope));
     TestServiceGrpc.TestServiceBlockingStub stub = blockingStub
         .withInterceptors(new ClientAuthInterceptor(credentials, testServiceExecutor));
