  <template>
      <paper-checkbox id="check2">Batman</paper-checkbox>
    </template>
  </test-fixture>

  <test-fixture id="AriaLabel">
    <template>
      <paper-checkbox id="check3" aria-label="Batman">Robin</paper-checkbox>
    </template>
  </test-fixture>

  <test-fixture id="WithDifferentSizes">
    <template>
      <paper-checkbox class="no-label-spacing"></paper-checkbox>
      <paper-checkbox class="no-label-spacing giant"></paper-checkbox>
      <paper-checkbox class="no-label-spacing tiny"></p