[idlharness-shadowrealm.window.html]
  prefs: [javascript.options.experimental.shadow_realms:true]
  [TextDecoder interface: existence and properties of interface object]
    expected: FAIL

  [TextDecoder interface object length]
    expected: FAIL

  [TextDecoder interface object name]
    expected: FAIL

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

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

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

  [TextDecoder interface: attribute encoding]
    expected: FAIL

  [TextDecoder interface: attribute fatal]
    expected: FAIL

  [TextDecoder interface: attribute ignoreBOM]
    expected: FAIL

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

  [TextEncoder interface object length]
    expected: FAIL

  [TextEncoder interface object name]
    expected: FAIL

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

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

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

  [TextEncoder interface: operation encode(optional USVString)]
    expected: FAIL

  [TextEncoder interface: operation encodeInto(USVString, Uint8Array)]
    expected: FAIL

  [TextEncoder interface: attribute encoding]
    expected: FAIL

  [TextDecoder interface: operation decode(optional AllowSharedBufferSource, optional TextDecodeOptions)]
    expected: FAIL