*Note*: Before submitting this pull request, please review our [contributing
guidelines](https://docs.celeryq.dev/en/main/contributing.html).

## Description

<!-- Please describe your pull request.

NOTE: All patches should be made against main, not a maintenance branch like
3.1, 2.5, etc.  That is unless the bug is already fixed in main, but not in
that version series.

If it fixes a bug or resolves a feature request,
be sure to link to that issue via (Fixes #4412) for example.
-->
Avoid tests interference from each others.
integration test: cleanup worker after test case. *Note*: Before submitting this pull request, please review our [contributing
guidelines](https://docs.celeryq.dev/en/main/contributing.html).

## Description

<!-- Please describe your pull request.

NOTE: All patches should be made against main, not a maintenance branch like
3.1, 2.5, etc.  That is unless the bug is already fixed in main, but not in
that version series.

If it fixes a bug or resolves a feature request,
be sure to link to that issue via (Fixes #4412) for example.
-->
Avoid tests interference from each others.
from celery.worker import state


class test_revoked:

    def test_is_working(self):
        state.revoked.add('foo')
        assert 'foo' in state.revoked
        state.revoked.pop_value('foo')
        assert 'foo' not in state.revoked

from celery.worker import state


class test_revoked:

    def test_is_working(self):
        state.revoked.add('foo')
        assert 'foo' in state.revoked
        state.revoked.pop_value('foo')
        assert 'foo' not in state.revoked
