test: update leftover det m config -o usage to --json
I recently changed how we get master config through
CLI and missed updating it in one of the tests.
@@ -143,8 +143,7 @@ def using_k8s(request: SubRequest) -> bool:
config.make_master_url(),
"master",
"config",
- "-o",
- "json",
+ "--json",
]
output = subprocess.check_output(command, universal_newlines=True, stderr=subprocess.PIPE)
