[data-uri.htm]
  type: testharness
  [XHR method GET with charset image/png]
    expected: FAIL

  [XHR method POST with charset text/plain]
    expected: FAIL

  [XHR method PUT with charset text/plain]
    expected: FAIL

  [XHR method DELETE with charset text/plain]
    expected: FAIL

  [XHR method HEAD with charset text/plain]
    expected: FAIL

  [XHR method UNICORN with charset text/plain]
    expected: FAIL