[select-parsing.tentative.html]
  [<div>s, <button>s, and <datalist>s should be allowed in <select>]
    expected: FAIL

  [</select> should close <button>]
    expected: FAIL

  [</select> should close <datalist>]
    expected: FAIL

  [<select> in <button> in <select> should remove inner <select>]
    expected: FAIL

  [<select> in <select><button><div> should remove inner <select>]
    expected: FAIL

  [Divs and imgs should be allowed as direct children of select and within options without a datalist]
    expected: FAIL

  [textarea tags should parse inside select instead of closing the select]
    expected: FAIL