   var focusable;

      setup(function() {
        focusable = fixture('NestedFocusedState');
      });

      test('focus/blur events fired on host element', function() {
        var nFocusEvents = 0;
        var nBlurEvents = 0;

        focusable.addEventListener('focus', function() {
          nFocusEvents += 1;
          expect(focusable.focused).to.be.equal(true);
          MockInteractions.blur(focusable.$.input);
        });
        focusable.addEventListener('blur', function() {
          expect(f