GH-987 Update Tooltip tests.
GH-987 Update Layer tests.
GH-987 Update Dropdown tests.
GH-889 Zoom: Add the ability to Show the container after load the zoomed image, even when the Show was executed before.
GH-889 Zoom: Expose this in all the public methods.
GH-987 Update Zoom tests.
Merge pull request #1015 from llinares/v1.0

Popover and descendants tests completed