[pre-commit][kuttl]Check for multiple TestAsserts

[gibizer]

Add a new pre-commit check to avoid using more than one TestkAssert in a
single kuttl assert file as that can lead to false positives as only the
last TestAssert is run by kuttl.

Fortunately there was no such issue in this repo.

[openshift-ci]

[APPROVALNOTIFIER] This PR is NOT APPROVED

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[gibizer]

/test precommit-check

go: go.uber.org/[email protected]: Get "https://proxy.golang.org/go.uber.org/goleak/@v/v1.3.0.mod": net/http: TLS handshake timeout

[gibizer]

/test cinder-operator-build-deploy-tempest

[abays]

/test cinder-operator-build-deploy-tempest

[openshift-ci]

@gibizer: The following test failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
ci/prow/cinder-operator-build-deploy-tempest	ac64fd2	link	false	/test cinder-operator-build-deploy-tempest

Full PR test history. Your PR dashboard.

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes-sigs/prow repository. I understand the commands that are listed here.

[abays]

@gibizer: The following test failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:
Test name Commit Details Required Rerun command
ci/prow/cinder-operator-build-deploy-tempest ac64fd2 link false /test cinder-operator-build-deploy-tempest

Full PR test history. Your PR dashboard.

Tempest has failed twice in a row with the same error (but doesn't seem related to this change):

': 'volume 3.0', 'X-Auth-Token': '<omitted>'}
        Body: None
    Response - Headers: {'date': 'Tue, 14 May 2024 10:25:27 GMT', 'server': 'Apache', 'content-length': '109', 'openstack-api-version': 'volume 3.0', 'vary': 'OpenStack-API-Version', 'x-compute-request-id': 'req-7b546d81-db0f-4cf4-8265-709b19dd28c1', 'x-openstack-request-id': 'req-7b546d81-db0f-4cf4-8265-709b19dd28c1', 'content-type': 'application/json', 'set-cookie': '33e2d45401feb6ecb7f87041ac073655=6824efc2d241dc5561d6764c78634055; path=/; HttpOnly; Secure; SameSite=None', 'connection': 'close', 'status': '404', 'content-location': 'https://cinder-public-openstack.apps.oko-08.oooci.ccitredhat.com/v3/volumes/0aa30a16-bfcc-4ccf-a5bc-b34ef0d131fe'}
        Body: b'{"itemNotFound": {"code": 404, "message": "Volume 0aa30a16-bfcc-4ccf-a5bc-b34ef0d131fe could not be found."}}'



======
Totals
======
Ran: 204 tests in 287.7399 sec.
 - Passed: 197
 - Skipped: 6
 - Expected Fail: 0
 - Unexpected Success: 0
 - Failed: 1
Sum of execute time for each test: 470.2424 sec.