Fix arguments for method expected_success

In expected_success method we expect to get status code of
API response, but we use incorrect argument 'resp' instead
of 'resp.status' in several files.

Change-Id: I28f9e4862ddd42322757f5b206ddfb6ddabcfe0f
Closes-Bug: #1354389
Merge "Fix arguments for method expected_success"