This is a testharness.js-based test.
Found 66 FAIL, 0 TIMEOUT, 0 NOTRUN.
[FAIL] CSSParserRule interface: existence and properties of interface object
  assert_own_property: self does not have own property "CSSParserRule" expected property "CSSParserRule" missing
[FAIL] CSSParserRule interface object length
  assert_own_property: self does not have own property "CSSParserRule" expected property "CSSParserRule" missing
[FAIL] CSSParserRule interface object name
  assert_own_property: self does not have own property "CSSParserRule" expected property "CSSParserRule" missing
[FAIL] CSSParserRule interface: existence and properties of interface prototype object
  assert_own_property: self does not have own property "CSSParserRule" expected property "CSSParserRule" missing
[FAIL] CSSParserRule interface: existence and properties of interface prototype object's "constructor" property
  assert_own_property: self does not have own property "CSSParserRule" expected property "CSSParserRule" missing
[FAIL] CSSParserRule interface: existence and properties of interface prototype object's @@unscopables property
  assert_own_property: self does not have own property "CSSParserRule" expected property "CSSParserRule" missing
[FAIL] CSSParserAtRule interface: existence and properties of interface object
  assert_own_property: self does not have own property "CSSParserAtRule" expected property "CSSParserAtRule" missing
[FAIL] CSSParserAtRule interface object length
  assert_own_property: self does not have own property "CSSParserAtRule" expected property "CSSParserAtRule" missing
[FAIL] CSSParserAtRule interface object name
  assert_own_property: self does not have own property "CSSParserAtRule" expected property "CSSParserAtRule" missing
[FAIL] CSSParserAtRule interface: existence and properties of interface prototype object
  assert_own_property: self does not have own property "CSSParserAtRule" expected property "CSSParserAtRule" missing
[FAIL] CSSParserAtRule interface: existence and properties of interface prototype object's "constructor" property
  assert_own_property: self does not have own property "CSSParserAtRule" expected property "CSSParserAtRule" missing
[FAIL] CSSParserAtRule interface: existence and properties of interface prototype object's @@unscopables property
  assert_own_property: self does not have own property "CSSParserAtRule" expected property "CSSParserAtRule" missing
[FAIL] CSSParserAtRule interface: attribute name
  assert_own_property: self does not have own property "CSSParserAtRule" expected property "CSSParserAtRule" missing
[FAIL] CSSParserAtRule interface: attribute prelude
  assert_own_property: self does not have own property "CSSParserAtRule" expected property "CSSParserAtRule" missing
[FAIL] CSSParserAtRule interface: attribute body
  assert_own_property: self does not have own property "CSSParserAtRule" expected property "CSSParserAtRule" missing
[FAIL] CSSParserAtRule interface: stringifier
  assert_own_property: self does not have own property "CSSParserAtRule" expected property "CSSParserAtRule" missing
[FAIL] CSSParserQualifiedRule interface: existence and properties of interface object
  assert_own_property: self does not have own property "CSSParserQualifiedRule" expected property "CSSParserQualifiedRule" missing
[FAIL] CSSParserQualifiedRule interface object length
  assert_own_property: self does not have own property "CSSParserQualifiedRule" expected property "CSSParserQualifiedRule" missing
[FAIL] CSSParserQualifiedRule interface object name
  assert_own_property: self does not have own property "CSSParserQualifiedRule" expected property "CSSParserQualifiedRule" missing
[FAIL] CSSParserQualifiedRule interface: existence and properties of interface prototype object
  assert_own_property: self does not have own property "CSSParserQualifiedRule" expected property "CSSParserQualifiedRule" missing
[FAIL] CSSParserQualifiedRule interface: existence and properties of interface prototype object's "constructor" property
  assert_own_property: self does not have own property "CSSParserQualifiedRule" expected property "CSSParserQualifiedRule" missing
[FAIL] CSSParserQualifiedRule interface: existence and properties of interface prototype object's @@unscopables property
  assert_own_property: self does not have own property "CSSParserQualifiedRule" expected property "CSSParserQualifiedRule" missing
[FAIL] CSSParserQualifiedRule interface: attribute prelude
  assert_own_property: self does not have own property "CSSParserQualifiedRule" expected property "CSSParserQualifiedRule" missing
[FAIL] CSSParserQualifiedRule interface: attribute body
  assert_own_property: self does not have own property "CSSParserQualifiedRule" expected property "CSSParserQualifiedRule" missing
[FAIL] CSSParserQualifiedRule interface: stringifier
  assert_own_property: self does not have own property "CSSParserQualifiedRule" expected property "CSSParserQualifiedRule" missing
[FAIL] CSSParserDeclaration interface: existence and properties of interface object
  assert_own_property: self does not have own property "CSSParserDeclaration" expected property "CSSParserDeclaration" missing
[FAIL] CSSParserDeclaration interface object length
  assert_own_property: self does not have own property "CSSParserDeclaration" expected property "CSSParserDeclaration" missing
[FAIL] CSSParserDeclaration interface object name
  assert_own_property: self does not have own property "CSSParserDeclaration" expected property "CSSParserDeclaration" missing
[FAIL] CSSParserDeclaration interface: existence and properties of interface prototype object
  assert_own_property: self does not have own property "CSSParserDeclaration" expected property "CSSParserDeclaration" missing
[FAIL] CSSParserDeclaration interface: existence and properties of interface prototype object's "constructor" property
  assert_own_property: self does not have own property "CSSParserDeclaration" expected property "CSSParserDeclaration" missing
[FAIL] CSSParserDeclaration interface: existence and properties of interface prototype object's @@unscopables property
  assert_own_property: self does not have own property "CSSParserDeclaration" expected property "CSSParserDeclaration" missing
[FAIL] CSSParserDeclaration interface: attribute name
  assert_own_property: self does not have own property "CSSParserDeclaration" expected property "CSSParserDeclaration" missing
[FAIL] CSSParserDeclaration interface: attribute body
  assert_own_property: self does not have own property "CSSParserDeclaration" expected property "CSSParserDeclaration" missing
[FAIL] CSSParserDeclaration interface: stringifier
  assert_own_property: self does not have own property "CSSParserDeclaration" expected property "CSSParserDeclaration" missing
[FAIL] CSSParserValue interface: existence and properties of interface object
  assert_own_property: self does not have own property "CSSParserValue" expected property "CSSParserValue" missing
[FAIL] CSSParserValue interface object length
  assert_own_property: self does not have own property "CSSParserValue" expected property "CSSParserValue" missing
[FAIL] CSSParserValue interface object name
  assert_own_property: self does not have own property "CSSParserValue" expected property "CSSParserValue" missing
[FAIL] CSSParserValue interface: existence and properties of interface prototype object
  assert_own_property: self does not have own property "CSSParserValue" expected property "CSSParserValue" missing
[FAIL] CSSParserValue interface: existence and properties of interface prototype object's "constructor" property
  assert_own_property: self does not have own property "CSSParserValue" expected property "CSSParserValue" missing
[FAIL] CSSParserValue interface: existence and properties of interface prototype object's @@unscopables property
  assert_own_property: self does not have own property "CSSParserValue" expected property "CSSParserValue" missing
[FAIL] CSSParserBlock interface: existence and properties of interface object
  assert_own_property: self does not have own property "CSSParserBlock" expected property "CSSParserBlock" missing
[FAIL] CSSParserBlock interface object length
  assert_own_property: self does not have own property "CSSParserBlock" expected property "CSSParserBlock" missing
[FAIL] CSSParserBlock interface object name
  assert_own_property: self does not have own property "CSSParserBlock" expected property "CSSParserBlock" missing
[FAIL] CSSParserBlock interface: existence and properties of interface prototype object
  assert_own_property: self does not have own property "CSSParserBlock" expected property "CSSParserBlock" missing
[FAIL] CSSParserBlock interface: existence and properties of interface prototype object's "constructor" property
  assert_own_property: self does not have own property "CSSParserBlock" expected property "CSSParserBlock" missing
[FAIL] CSSParserBlock interface: existence and properties of interface prototype object's @@unscopables property
  assert_own_property: self does not have own property "CSSParserBlock" expected property "CSSParserBlock" missing
[FAIL] CSSParserBlock interface: attribute name
  assert_own_property: self does not have own property "CSSParserBlock" expected property "CSSParserBlock" missing
[FAIL] CSSParserBlock interface: attribute body
  assert_own_property: self does not have own property "CSSParserBlock" expected property "CSSParserBlock" missing
[FAIL] CSSParserBlock interface: stringifier
  assert_own_property: self does not have own property "CSSParserBlock" expected property "CSSParserBlock" missing
[FAIL] CSSParserFunction interface: existence and properties of interface object
  assert_own_property: self does not have own property "CSSParserFunction" expected property "CSSParserFunction" missing
[FAIL] CSSParserFunction interface object length
  assert_own_property: self does not have own property "CSSParserFunction" expected property "CSSParserFunction" missing
[FAIL] CSSParserFunction interface object name
  assert_own_property: self does not have own property "CSSParserFunction" expected property "CSSParserFunction" missing
[FAIL] CSSParserFunction interface: existence and properties of interface prototype object
  assert_own_property: self does not have own property "CSSParserFunction" expected property "CSSParserFunction" missing
[FAIL] CSSParserFunction interface: existence and properties of interface prototype object's "constructor" property
  assert_own_property: self does not have own property "CSSParserFunction" expected property "CSSParserFunction" missing
[FAIL] CSSParserFunction interface: existence and properties of interface prototype object's @@unscopables property
  assert_own_property: self does not have own property "CSSParserFunction" expected property "CSSParserFunction" missing
[FAIL] CSSParserFunction interface: attribute name
  assert_own_property: self does not have own property "CSSParserFunction" expected property "CSSParserFunction" missing
[FAIL] CSSParserFunction interface: attribute args
  assert_own_property: self does not have own property "CSSParserFunction" expected property "CSSParserFunction" missing
[FAIL] CSSParserFunction interface: stringifier
  assert_own_property: self does not have own property "CSSParserFunction" expected property "CSSParserFunction" missing
[FAIL] CSS namespace: operation parseStylesheet(CSSStringSource, optional CSSParserOptions)
  assert_own_property: namespace object missing operation "parseStylesheet" expected property "parseStylesheet" missing
[FAIL] CSS namespace: operation parseRuleList(CSSStringSource, optional CSSParserOptions)
  assert_own_property: namespace object missing operation "parseRuleList" expected property "parseRuleList" missing
[FAIL] CSS namespace: operation parseRule(CSSStringSource, optional CSSParserOptions)
  assert_own_property: namespace object missing operation "parseRule" expected property "parseRule" missing
[FAIL] CSS namespace: operation parseDeclarationList(CSSStringSource, optional CSSParserOptions)
  assert_own_property: namespace object missing operation "parseDeclarationList" expected property "parseDeclarationList" missing
[FAIL] CSS namespace: operation parseDeclaration(DOMString, optional CSSParserOptions)
  assert_own_property: namespace object missing operation "parseDeclaration" expected property "parseDeclaration" missing
[FAIL] CSS namespace: operation parseValue(DOMString)
  assert_own_property: namespace object missing operation "parseValue" expected property "parseValue" missing
[FAIL] CSS namespace: operation parseValueList(DOMString)
  assert_own_property: namespace object missing operation "parseValueList" expected property "parseValueList" missing
[FAIL] CSS namespace: operation parseCommaValueList(DOMString)
  assert_own_property: namespace object missing operation "parseCommaValueList" expected property "parseCommaValueList" missing
Harness: the test ran to completion.