k8s_test setup is failing if --nolegacy_external_runfiles command line flag is set.
2023/02/21 02:40:50 setup command: PATH_REDACTED/postgres_integration_test/service_it.setup
2023/02/21 02:40:50 cat: external/k8s_test/cluster: No such file or directory
2023/02/21 02:40:50 Unable to read from setup script stdout. Cannot wait for pods
--[no]legacy_external_runfiles
default: "true"
If true, build runfiles symlink forests for external repositories under .runfiles/wsname/external/repo (in addition to .runfiles/repo).