var viewport = $.extend( {}, DEFAULT_VIEWPORT );
assert.ok( mw.viewport.isElementInViewport( this.el, viewport ),
'It should return true when the element is fully enclosed in the viewport' );
var viewport = $.extend( {}, DEFAULT_VIEWPORT );
assert.ok( mw.viewport.isElementInViewport( this.el, viewport ),
'It should return true when the element is fully enclosed in the viewport' );