Add more pubsub unittests

git-svn-id: http://svn.wxwidgets.org/svn/wx/wxPython@73916 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
Fix circular imports by delaying the import of framemanager in auibar and auibook until it is needed.

git-svn-id: http://svn.wxwidgets.org/svn/wx/wxPython@73917 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
fix usage of wrong wx.Font ctor

git-svn-id: http://svn.wxwidgets.org/svn/wx/wxPython@73918 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
fix typo

git-svn-id: http://svn.wxwidgets.org/svn/wx/wxPython@73919 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
I copied the same file twice, remove the extra and add the missing one.

git-svn-id: http://svn.wxwidgets.org/svn/wx/wxPython@73920 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775