Tezt/Tests: reset regressions

This MR resets some regressions in tezt/tests to fix CI in !18783 (merged): https://gitlab.com/tezos/tezos/-/pipelines/1961276137/test_report?job_name=tezt

It seems that michelson_test_scripts/mini_scenarios/faucet.tz was added in !18614 (merged), so asking @rafoo_ for review

Checklist

• Document the interface of any function added or modified (see the coding guidelines)
• Document any change to the user interface, including configuration parameters (see node configuration)
• Provide automatic testing (see the testing guide).
• For new features and bug fixes, add an item in the appropriate changelog (docs/protocols/alpha.rst for the protocol and the environment, CHANGES.rst at the root of the repository for everything else).
• Select suitable reviewers using the Reviewers field below.
• Select as Assignee the next person who should take action on that MR