Split getViewportCollisions() test assertions.
Split getViewportCollisions() test assertions.

The assertions were testing too many things at once, so I broke the
tests into individual assertions.

erthalion/jquery-powertip,stevenbenner/jquery-powertip,stevenbenner/jquery-powertip,jasco/jquery-powertip,erthalion/jquery-powertip,jasco/jquery-powertip