diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 7caddf1..271bea7 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -58,7 +58,7 @@ pytest:
   script:
     - >
       docker run
-      -e TEST_DATABASE_URL=postgres://postgres:postgres@$POSTGRES_PORT_5432_TCP_ADDR:5432/postgres
-      -e REDIS_URL=redis://$REDIS_PORT_6379_TCP_ADDR:6379/0
+      -e TEST_DATABASE_URL=postgres://postgres:postgres@postgres:5432/postgres
+      -e REDIS_URL=redis://redis:6379/0
       $CI_REGISTRY_IMAGE:$CI_COMMIT_SHA
       pytest -v --cov phoenix
diff --git a/phoenix/tests/slackbot/test_utils.py b/phoenix/tests/slackbot/test_utils.py
index dae82af..14b0185 100644
--- a/phoenix/tests/slackbot/test_utils.py
+++ b/phoenix/tests/slackbot/test_utils.py
@@ -99,7 +99,7 @@ def test_join_channels(mocked_api_call):
     channels_to_join = ["channel-x", "test-channel", "channel-a"]
     utils.join_channels(channels_to_join)
     test_called_with = (
-        "call('conversations.list', cursor='', limit=200)",
+        "call('conversations.list', limit=200, cursor='')",
         "call('conversations.invite', channel='123sd', users='unittest-bot-id')",
         "call('conversations.invite', channel='45fg', users='unittest-bot-id')",
     )