cli: prefix keys used in tests with the test name
cli: prefix keys used in tests with the test name

This should help us understand recurrences of #13805.

Closes #13805.

paperstreet/cockroach,paperstreet/cockroach,paperstreet/cockroach,paperstreet/cockroach,paperstreet/cockroach,paperstreet/cockroach,paperstreet/cockroach,paperstreet/cockroach