Changes in tests in hydrus : removed regex

[farazkhanfk7]

Fixes #

Checklist

• [x] My branch is up-to-date with upstream/develop branch.
• [x] Everything works and tested for Python 3.6.0 and above.

Current behaviour

Regex was being used to get the id of the inserted object from response description.

New expected behaviour

Used response.location instead throughout the tests.

Change logs