mgr/dashboard: fix flaky promql query test
There is a test collision in "promql-query-test" test suite because two different IOPS panels with the same title and legend labels (Read, Write) are present, and the test framework is not able to distinguish between them.
There are two panels with the same title IOPS and legends Read / Write, but different expressions:\
1. ceph-application-overview.json
2. ceph-cluster-advanced.json
Fixes: https://tracker.ceph.com/issues/71318
Signed-off-by: Aashish Sharma <aasharma@redhat.com>
(cherry picked from commit
5798d2fc9a50881e8ec7c9c2343f9796eadf7533)