[idlharness.html]
  [CSSContainerRule interface: existence and properties of interface object]
    expected: FAIL

  [CSSContainerRule interface object length]
    expected: FAIL

  [CSSContainerRule interface object name]
    expected: FAIL

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

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

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

  [CSSContainerRule interface: attribute containerName]
    expected: FAIL

  [CSSContainerRule interface: attribute containerQuery]
    expected: FAIL

  [CSSContainerRule must be primary interface of sheet.cssRules[0\]]
    expected: FAIL

  [Stringification of sheet.cssRules[0\]]
    expected: FAIL

  [CSSContainerRule interface: sheet.cssRules[0\] must inherit property "containerName" with the proper type]
    expected: FAIL

  [CSSContainerRule interface: sheet.cssRules[0\] must inherit property "containerQuery" with the proper type]
    expected: FAIL

  [CSSContainerRule must be primary interface of sheet.cssRules[0\].cssRules[0\]]
    expected: FAIL

  [Stringification of sheet.cssRules[0\].cssRules[0\]]
    expected: FAIL

  [CSSContainerRule interface: sheet.cssRules[0\].cssRules[0\] must inherit property "containerName" with the proper type]
    expected: FAIL

  [CSSContainerRule interface: sheet.cssRules[0\].cssRules[0\] must inherit property "containerQuery" with the proper type]
    expected: FAIL