tedStyleValue(e, '--mixin3' + suffix);
    let cmixin4 = ShadyCSS.ScopingShim.getComputedStyleValue(e, '--mixin4' + suffix);
    assert.equal(mixin1, cmixin1);
    assert.equal(mixin2, cmixin2);
    assert.equal(mixin3, cmixin3);
    assert.equal(mixin4, cmixin4);
  });

  test('variable mixins apply', function() {
    assertComputed(styled.$.mixin1, '1px');
    assertComputed(styled.$.mixin2, '2px');
    assertComputed(styled.$.mixin3, '2px');
    assertComputed(styled.$.mixin3, '1px', 'padding-top');
    