[focusgroupstart-shadow-tabindex.html]
  [Tab into focusgroup with focusgroupstart inside tabindex=-1 shadow host]
    expected: FAIL

  [Shift+Tab into focusgroup with focusgroupstart inside tabindex=-1 shadow host]
    expected: FAIL

  [Tab through focusgroup enters at slotted focusgroupstart and exits]
    expected: FAIL

  [Memory item inside tabindex=-1 shadow host is honored on re-entry]
    expected: FAIL