ole with whitespace edge cases -->
  <div role=" button" data-testname="div[role=button] ignoring tab char" aria-label="x" data-expectedrole="button" class="ex">x</div>
  <div role="
button" data-testname="div[role=button] ignoring line break" aria-label="x" data-expectedrole="button" class="ex">x</div>
  <div role="⠀ button" data-testname="div[role=button] ignoring braille whitespace char" aria-label="x" data-expectedrole="button" class="ex">x</div>

  <!-- various role capitalization styles and their fa