[quincy] rbd/admin: Fix TestMirrorSnapshotScheduleStatus

[phlogistonjohn]

In order to merge quincy CI support, the test "TestMirrorSnapshotScheduleStatus" was disabled on ceph quincy.

go-ceph/rbd/admin/msschedule_complex_test.go

Line 25 in 68eff5d

skipIfQuincy(t)

We need to revisit this test failure and remove the test skip to have the test suite fully operational on quincy.

[phlogistonjohn]

@ansiwen - any interest in looking into this one?