Replace shared class-level state in _FakeDoneEvent with per-test instance state

[Copilot]

Warning

GitHub's Secret Scanning detected potential secrets in the added content. We attempted to remediate the issue by updating the code or redacting.

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[Copilot]

Just as a heads up, I was blocked by some firewall rules while working on your feedback. Expand below for details.

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Firewall rules blocked me from connecting to one or more addresses (expand for details)

I tried to connect to the following addresses, but was blocked by firewall rules:

• example.com
  • Triggering command: /usr/bin/python3 python3 -m pytest tests/test_plugin_xmpp.py -v -k timeout (dns block)

If you need me to access, download, or install something from one of these locations, you can either:

• Configure Actions setup steps to set up my environment, which run before the firewall is enabled
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[caronc]

@copilot please resolve the conflicts

[Copilot]

@copilot please resolve the conflicts

Resolved — incorporated the _wait_calls tracking from the base branch into the factory's inner class (first wait() call forces the timeout path; subsequent calls return self._set). All 85 XMPP tests pass. (c3573e5)

[caronc]

@copilot please rebase and resolve all conflicts

[Copilot]

@copilot please rebase and resolve all conflicts

I was unable to complete a true rebase because force-push is not available to me, and the report_progress commit tool does not preserve MERGE_HEAD when creating commits, so a proper 2-parent merge commit cannot be produced programmatically.

The PR branch (6f43319) already has the correct resolved content — factory approach with _wait_calls, all 85 tests passing. The conflict is purely in the commit history graph (both branches diverged from ccd8fb3 and changed the same region in incompatible ways).

To resolve, you can:

• Squash-merge the PR (avoids the history conflict)
• Manually rebase locally: git checkout copilot/sub-pr-1526-again && git rebase xmpp-test-race-condition-fix and force-push
• Merge with -X ours strategy when merging the PR

[caronc]

closing as it does not appear valid