Add tests for Page.get_slug() and Page.get_parent().
Add tests for Page.get_slug() and Page.get_parent().

Kniyl/mezzanine,SoLoHiC/mezzanine,nikolas/mezzanine,industrydive/mezzanine,fusionbox/mezzanine,orlenko/sfpirg,spookylukey/mezzanine,industrydive/mezzanine,nikolas/mezzanine,saintbird/mezzanine,wbtuomela/mezzanine,vladir/mezzanine,agepoly/mezzanine,jerivas/mezzanine,mush42/mezzanine,ZeroXn/mezzanine,industrydive/mezzanine,tuxinhang1989/mezzanine,sjdines/mezzanine,adrian-the-git/mezzanine,SoLoHiC/mezzanine,geodesign/mezzanine,dovydas/mezzanine,biomassives/mezzanine,joshcartme/mezzanine,Skytorn86/mezzanine,stephenmcd/mezzanine,christianwgd/mezzanine,wbtuomela/mezzanine,fusionbox/mezzanine,Cajoline/mezzanine,SoLoHiC/mezzanine,Kniyl/mezzanine,frankchin/mezzanine,PegasusWang/mezzanine,biomassives/mezzanine,sjuxax/mezzanine,ryneeverett/mezzanine,dustinrb/mezzanine,ryneeverett/mezzanine,ZeroXn/mezzanine,molokov/mezzanine,frankchin/mezzanine,adrian-the-git/mezzanine,AlexHill/mezzanine,joshcartme/mezzanine,dovydas/mezzanine,eino-makitalo/mezzanine,Cicero-Zhao/mezzanine,emile2016/mezzanine,dustinrb/mezzanine,spookylukey/mezzanine,saintbird/mezzanine,stephenmcd/mezzanine,PegasusWang/mezzanine,readevalprint/mezzanine,ZeroXn/mezzanine,webounty/mezzanine,batpad/mezzanine,webounty/mezzanine,wyzex/mezzanine,stephenmcd/mezzanine,spookylukey/mezzanine,scarcry/snm-mezzanine,stbarnabas/mezzanine,wrwrwr/mezzanine,frankier/mezzanine,dekomote/mezzanine-modeltranslation-backport,molokov/mezzanine,readevalprint/mezzanine,viaregio/mezzanine,christianwgd/mezzanine,christianwgd/mezzanine,damnfine/mezzanine,readevalprint/mezzanine,frankchin/mezzanine,Cajoline/mezzanine,cccs-web/mezzanine,dovydas/mezzanine,orlenko/sfpirg,scarcry/snm-mezzanine,vladir/mezzanine,webounty/mezzanine,jjz/mezzanine,tuxinhang1989/mezzanine,wyzex/mezzanine,ryneeverett/mezzanine,douglaskastle/mezzanine,viaregio/mezzanine,molokov/mezzanine,sjdines/mezzanine,promil23/mezzanine,dsanders11/mezzanine,damnfine/mezzanine,adrian-the-git/mezzanine,sjuxax/mezzanine,mush42/mezzanine,Kniyl/mezzanine,geodesign/mezzanine,vladir/mezzanine,jjz/mezzanine,theclanks/mezzanine,dekomote/mezzanine-modeltranslation-backport,theclanks/mezzanine,dustinrb/mezzanine,jerivas/mezzanine,Skytorn86/mezzanine,jjz/mezzanine,promil23/mezzanine,AlexHill/mezzanine,orlenko/sfpirg,nikolas/mezzanine,damnfine/mezzanine,stbarnabas/mezzanine,emile2016/mezzanine,eino-makitalo/mezzanine,frankier/mezzanine,orlenko/plei,dekomote/mezzanine-modeltranslation-backport,Skytorn86/mezzanine,dsanders11/mezzanine,eino-makitalo/mezzanine,orlenko/plei,joshcartme/mezzanine,gradel/mezzanine,saintbird/mezzanine,emile2016/mezzanine,mush42/mezzanine,batpad/mezzanine,dsanders11/mezzanine,sjdines/mezzanine,biomassives/mezzanine,PegasusWang/mezzanine,viaregio/mezzanine,sjuxax/mezzanine,gradel/mezzanine,douglaskastle/mezzanine,agepoly/mezzanine,Cajoline/mezzanine,agepoly/mezzanine,wyzex/mezzanine,promil23/mezzanine,douglaskastle/mezzanine,tuxinhang1989/mezzanine,frankier/mezzanine,scarcry/snm-mezzanine,theclanks/mezzanine,geodesign/mezzanine,orlenko/plei,wrwrwr/mezzanine,cccs-web/mezzanine,wbtuomela/mezzanine,gradel/mezzanine,Cicero-Zhao/mezzanine,jerivas/mezzanine