Apparently it wants to keep the default pipeline filename for now

Author: JoshMock

.buildkite/pipeline-integration.yml renamed to .buildkite/pipeline.yml

@@ -27,7 +27,7 @@ spec:
       name: Elasticsearch JavaScript client integration tests
     spec:
       repository: elastic/elasticsearch-js
-      pipeline_file: .buildkite/pipeline-integration.yml
+      pipeline_file: .buildkite/pipeline.yml
       teams:
         clients-team:
           access_level: MANAGE_BUILD_AND_READ