[element-picture.sub.html]
  [sec-fetch-site - img[src\] - HTTPS upgrade, no attributes]
    expected: FAIL

  [sec-fetch-site - img[srcset\] - HTTPS upgrade, no attributes]
    expected: FAIL

  [sec-fetch-site - source[srcset\] - HTTPS upgrade, no attributes]
    expected: FAIL

  [sec-fetch-site - img[src\] - HTTPS downgrade (header not sent), no attributes]
    expected: FAIL

  [sec-fetch-site - img[srcset\] - HTTPS downgrade (header not sent), no attributes]
    expected: FAIL

  [sec-fetch-site - source[srcset\] - HTTPS downgrade (header not sent), no attributes]
    expected: FAIL