Fix ASGI tests

[sl0thentr0py]

No description provided.

[codecov]

❌ 1699 Tests Failed:

Tests completed	Failed	Passed	Skipped
20319	1699	18620	4467

View the top 3 failed tests by shortest run time

tests.integrations.celery.test_update_celery_task_headers test_monitor_beat_tasks[False]

Stack Traces | 0.001s run time

.../integrations/celery/test_update_celery_task_headers.py:38: in test_monitor_beat_tasks
    assert "sentry-monitor-start-timestamp-s" not in outgoing_headers["headers"]
E   KeyError: 'headers'

tests.integrations.celery.test_update_celery_task_headers test_monitor_beat_tasks_with_headers[]

Stack Traces | 0.001s run time

.../integrations/celery/test_update_celery_task_headers.py:70: in test_monitor_beat_tasks_with_headers
    assert "sentry-monitor-start-timestamp-s" not in outgoing_headers["headers"]
E   KeyError: 'headers'

tests.test_scope test_with_isolation_scope_data

Stack Traces | 0.001s run time

tests/test_scope.py:387: in test_with_isolation_scope_data
    assert scope._tags == {"before_isolation_scope": 1}
E   AssertionError: assert {} == {'before_isolation_scope': 1}
E     
E     Right contains 1 more item:
E     {'before_isolation_scope': 1}
E     
E     Full diff:
E     + {}
E     - {
E     -     'before_isolation_scope': 1,
E     - }

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