[idlharness.window.html]
  [LayoutShift interface object name]
    expected: FAIL

  [LayoutShift interface: existence and properties of interface prototype object's "constructor" property]
    expected: FAIL

  [LayoutShift interface: attribute value]
    expected: FAIL

  [LayoutShift interface: existence and properties of interface prototype object]
    expected: FAIL

  [LayoutShift interface: existence and properties of interface object]
    expected: FAIL

  [LayoutShift interface: attribute lastInputTime]
    expected: FAIL

  [LayoutShift interface object length]
    expected: FAIL

  [LayoutShift interface: attribute hadRecentInput]
    expected: FAIL

  [LayoutShift interface: existence and properties of interface prototype object's @@unscopables property]
    expected: FAIL

  [LayoutShift interface: operation toJSON()]
    expected: FAIL

