[navigation-controls.tentative.html]
  expected:
    if (os == "android") and fission: [OK, TIMEOUT]
  [Check that none evaluates to false in the boolean context]
    expected: FAIL

  [Should be known: '(navigation-controls)']
    expected: FAIL

  [Should be known: '(navigation-controls: none)']
    expected: FAIL

  [Should be known: '(navigation-controls: back-button)']
    expected: FAIL