SUIT CSS: state utility tests

.u-isActionable

creates a `pointer` cursor

Should have pointer cursor

.u-isDisabled

creates a `default` cursor

Should have default cursor

.u-isDraggable

creates a `move` cursor

Should have move cursor

.u-isHidden

hides the element

This should be hidden.

.u-isHiddenVisually

visually hides the element

This should be visually hidden but not hidden from screenreaders.

.u-isInvisible

makes the element invisible

This should be invisible

.u-isShown

shows the element

.u-isVisible

makes the element visible

This should be visible