F                                                                        [100%]
=================================== FAILURES ===================================
___________________________ test_visitor_path_about ____________________________

    def test_visitor_path_about():
        with sync_playwright() as pw:
            browser = pw.chromium.launch(headless=True)
            page = browser.new_page(viewport={"width": 1440, "height": 900})
            status = {}
            page.on("response", lambda r: status.__setitem__("last", r.status) if r.request.is_navigation_request() and r.frame == page.main_frame else None)
            first = page.goto(START, wait_until="domcontentloaded")
            assert first is not None and first.status < 400, f"start page answered {first.status if first else None}"
            for index, label in enumerate(PATH):
                status.pop("last", None)
                # Whole label, any case: the visitor read rendered text, which CSS text-transform can change from the accessible name.
                name = re.compile("^" + re.escape(label) + "$", re.I)
                target = page.get_by_role("link", name=name).or_(page.get_by_role("button", name=name)).or_(page.get_by_role("tab", name=name)).or_(page.locator("summary").filter(has_text=name))
                if SELECTORS[index]:
                    target = page.locator(SELECTORS[index]).and_(page.locator("a[href],button,[role=button],[role=link],[role=tab],summary")).filter(has_text=name)
                expect(target).to_have_count(1, timeout=8000)
                assert target.count() == 1, f"recorded control missing or ambiguous: {label!r}"
                target.click()
                page.wait_for_load_state("domcontentloaded")
                code = status.get("last", 200)
>               assert code < 400, f"clicking {label!r} opened a page that answered {code}"
E               AssertionError: clicking 'ABOUT' opened a page that answered 404
E               assert 404 < 400

test_returned_path.py:38: AssertionError
=========================== short test summary info ============================
FAILED test_returned_path.py::test_visitor_path_about - AssertionError: click...
1 failed in 0.61s