Swap target, request for request, target in secure_authorized_channel's argument order. (#81)
diff --git a/system_tests/test_grpc.py b/system_tests/test_grpc.py
index 0db9f1d..7d436c5 100644
--- a/system_tests/test_grpc.py
+++ b/system_tests/test_grpc.py
@@ -28,7 +28,7 @@
publisher_api.PublisherApi.DEFAULT_SERVICE_PORT)
channel = google.auth.transport.grpc.secure_authorized_channel(
- credentials, target, http_request)
+ credentials, http_request, target)
# Create a pub/sub client.
client = publisher_api.PublisherApi(channel=channel)