[TrivialFix] Add negative test in quota detail

Commit [1] does not cover last comments.

Need to add negative test to test new API that should be
available only starting with 2.25 microversion.

And, combine some duplicated code in
manila_tempest_tests/tests/api/test_quotas.py.

[1] I499b099a3ba7704a2108cd15f80ff507e24b7cd0

Change-Id: I8963ad3092e3a78df94c19ea405d48178abef36e
2 files changed
tree: d2ab97996eae07560579b3ef63728233c02447bc
  1. manila_tempest_tests/