increase timeout for docker tests

Author: shijiesheng

.buildkite/pipeline.yml

@@ -75,7 +75,7 @@ steps:
           config: docker/buildkite/docker-compose.yaml
 
   - label: ":java: Unit test with docker services sticky on"
-    timeout_in_minutes: 30
+    timeout_in_minutes: 50 # integration tests take longer
     retry:
       automatic:
         - exit_status: "*"
@@ -95,7 +95,7 @@ steps:
           config: docker/buildkite/docker-compose.yaml
 
   - label: ":java: Unit test with docker services sticky off"
-    timeout_in_minutes: 30
+    timeout_in_minutes: 50 # integration tests take longer
     retry:
       automatic:
         - exit_status: "*"