8a7a8442c1
Only execute Ctrl+w to close the currently active window if the new/secondary window (title: "New Tab") could be selected. This fixes a test failure since the update to Chromium M88 (cc PR #110010). Without this additional check the main window (title: "startup done") could still be selected (and thus will be closed) and the script would close both windows (i.e. terminate Chromium completely).
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