Also update the test to avoid assuming that wxBitmapComboBox inherits from wxComboBox, which now allows it to build (and pass) on all platforms. Closes https://github.com/wxWidgets/wxWidgets/pull/2057
Also update the test to avoid assuming that wxBitmapComboBox inherits from wxComboBox, which now allows it to build (and pass) on all platforms. Closes https://github.com/wxWidgets/wxWidgets/pull/2057