[Webkit-unassigned] [Bug 211548] New: [WebDriver][GTK] W3C test element_click/navigate.py::test_link_closes_window is flaky with window too slow to close

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=211548

            Bug ID: 211548
           Summary: [WebDriver][GTK] W3C test
                    element_click/navigate.py::test_link_closes_window is
                    flaky with window too slow to close
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebDriver
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: lmoura at igalia.com
                CC: bburg at apple.com

The test imported/w3c/webdriver/tests/element_click/navigate.py::test_link_closes_window is flaky failing in the Release bot (Failure message below).

Checking the order of the messages in the WebAutomationSession and the Load events from the WebView, it shows the command "getBrowsingContext" (used to get the session handles) being called before the load of the new page (with the close command) finishes. And adding a 1s time before this last assert indeed makes the test pass.

Failure: 
session = <Session b5584a68-e7e0-49c9-9909-fe4b10f18a67>
create_window = <function create_window at 0x7faf41d4b578>

    def test_link_closes_window(session, create_window):
        new_handle = create_window()
        session.window_handle = new_handle

        session.url = inline("""<a href="/webdriver/tests/element_click/support/close_window.html">asdf</a>""")
        element = session.find.css("a", all=False)
        response = element_click(session, element)
        assert_success(response)
>       assert new_handle not in session.handles
E       AssertionError: assert 'page-0CB84772-57CF-4E77-81F5-09A2F65A05C0' not in ['page-2BE3673B-CE41-4F70-97F4-1218E205BCCC', 'page-0CB84772-57CF-4E77-81F5-09A2F65A05C0']
E        +  where ['page-2BE3673B-CE41-4F70-97F4-1218E205BCCC', 'page-0CB84772-57CF-4E77-81F5-09A2F65A05C0'] = <Session b5584a68-e7e0-49c9-9909-fe4b10f18a67>.handles

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