[nested-context-navigations-iframe.html]
  [Test that iframe navigations are not observable by the parent, even after history navigations by the parent]
    disabled: https://bugzilla.mozilla.org/show_bug.cgi?id=1572932

  [Test that crossorigin iframe navigations are not observable by the parent, even after history navigations by the parent]
    disabled: https://bugzilla.mozilla.org/show_bug.cgi?id=1572932

