See flakiness dashboard at https://test-results.appspot.com/dashboards/flakiness_dashboard.html#testType=interactive_ui_tests&tests=TabDragging%2FDetachToBrowserTabDragControllerTest.DetachToOwnWindow.
 

See flakiness dashboard at https://test-results.appspot.com/dashboards/flakiness_dashboard.html#testType=interactive_ui_tests&tests=TabDragging%2FDetachToBrowserTabDragControllerTest.DetachToOwnWindow.

Example stack trace:
[ RUN      ] TabDragging/DetachToBrowserTabDragControllerTest.DetachToOwnWindow/1
[31409:31409:0817/070857.000724:WARNING:chrome_browser_main_chromeos.cc(559)] Running as stub user with profile dir: test-user
[31409:31426:0817/070857.240025:WARNING:freezer_cgroup_process_manager.cc(62)] Cgroup freezer does not exist or is not writable. Unable to freeze renderer processes.
[31409:31409:0817/070857.312021:ERROR:device_event_log_impl.cc(156)] [07:08:57.312] Network: network_device_handler_impl.cc:608 Failed to determine if device /device/wifi1 supports MAC address randomization
[31409:31409:0817/070857.312044:ERROR:device_event_log_impl.cc(156)] [07:08:57.312] Network: network_handler_callbacks.cc:84 Failed to determine if device supports MAC address randomization: /device/wifi1: Missing MACAddressRandomizationSupported
../../chrome/browser/ui/views/tabs/tab_drag_controller_interactive_uitest.cc:866: Failure
      Expected: initial_bounds.ToString()
      Which is: "90,16 1100x782"
To be equal to: browser()->window()->GetBounds().ToString()
      Which is: "90,16 1100x777"
[31445:31445:0817/070857.381288:WARNING:ipc_message_attachment_set.cc(49)] MessageAttachmentSet destroyed with unconsumed attachments: 0/1
[  FAILED  ] TabDragging/DetachToBrowserTabDragControllerTest.DetachToOwnWindow/1, where GetParam() = "touch" (478 ms)