fix order of arguments for assertequal in cinder

Registered by Sandeep Kedari

Some tests used incorrect order assertEqual(observed, expected).
The correct order expected by testtools is
assertEqual(expected, observed).
The test cases will produce a confusing error message if the tests ever fail, so this is worth fixing.

Blueprint information

Status:
Complete
Approver:
None
Priority:
Undefined
Drafter:
Sandeep Kedari
Direction:
Needs approval
Assignee:
None
Definition:
Obsolete
Series goal:
None
Implementation:
Unknown
Milestone target:
None
Completed by
Angus Salkeld

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