It times out every once in a while with very little info to go on:

[ RUN      ] BrowserCommandControllerInteractiveTest.ShortcutsShouldTakeEffectInJsFullscreen

[5180:5932:1128/173222.751:WARNING:chrome_browser_main_win.cc(613)] Command line too long for RegisterApplicationRestart:  --brave-new-test-launcher --cfi-diag=0 --gtest_also_run_disabled_tests --gtest_filter=BrowserCommandControllerInteractiveTest.ShortcutsShouldTakeEffectInJsFullscreen --single_process --snapshot-output-dir="e:\b\s\w\io3n9xbo" --test-launcher-bot-mode --test-launcher-output="C:\Users\CHROME~2\AppData\Local\Temp\scoped_dir4580_25040\results4580_23491\test_results.xml" --test-launcher-summary-output="e:\b\s\w\io3n9xbo\output.json" --user-data-dir="C:\Users\CHROME~2\AppData\Local\Temp\scoped_dir4580_25040\d4580_30306" --disable-offline-auto-reload --no-first-run --no-default-browser-check --enable-logging=stderr --disable-default-apps --wm-window-animations-disabled --disable-component-update --test-type=browser --force-color-profile=srgb --disable-zero-browsers-open-for-tests --ipc-connection-timeout=30 --allow-file-access-from-files --dom-automation --log-gpu-control-list-decisions --disable-backgrounding-occluded-windows --disable-gl-drawing-for-tests --override-use-software-gl-for-tests --force-color-profile=srgb --enable-features=TestFeatureForBrowserTest1 --disable-features=NetworkPrediction,TestFeatureForBrowserTest2 --flag-switches-begin --flag-switches-end --restore-last-session about:blank

[115/275] BrowserCommandControllerInteractiveTest.ShortcutsShouldTakeEffectInJsFullscreen (TIMED OUT)

I'll send up a CL to grab a snapshot of the screen when it times out. Maybe that'll help explain what's going on.