Gather member variables testWidget, testLayout, w1..w3 and sp
used in getItemPosition() and itemAtPosition() in Helper
class ItemTestWidget.
Remove member variables m_grid, m_toplevel and instantiate the
top level widget on the stack in minMaxSize().
Remove empty slots and functions.
Add a cleanup() test checking that no visible top levels
are leaked with explanatory comment about data driven tests.
Change-Id: Ia30120d78144dab3b7c73864c6fbcef606cb19d3
Reviewed-by: Jan Arve Sæther <jan-arve.saether@theqtcompany.com>
75dfebae4a