Expand get_flashed_messages tests.
Expand get_flashed_messages tests.

Ready to pull request #336.
http://github.com/mitsuhiko/flask/pull/336

mrdon/flask,onetinyr/flask,zoyanhui/flask,chenrenyi/flask,jiimaho/flask,hyunchel/flask,happyspace/flask,mAzurkovic/flask,grayswand1r/flask,garaden/flask,skmezanul/flask,beni55/flask,AvivC/flask,luvten/flask,mujiatong/flask,niima/flask,jonatanblue/flask,chenrenyi/flask,oculardexterity/flask,ankravch/flask,margguo/flask,wklken/flask,happyspace/flask,ghhong1986/flask,mysweet/flask,tripathi62674/flask,wilbert-abreu/flask,rollingstone/flask,SsangYoon/Flask,robertglen/flask,edcomstock/flask,zailushangde/flask,liaoqingwei/flask,kyle-sorensen/flask,gangeshwark/flask,LonglyCode/flask,chuijiaolianying/flask,liuyi1112/flask,WSDC-NITWarangal/flask,auready/flask,jawed123/flask,Endika/flask,visaxin/flask,anujk3/flask,dawran6/flask,pledo/flask,lord63-forks/flask,tony/flask,EasonYi/flask,AndreaEdwards/flask,jonieli/flask,nju520/flask,stephaniemertz/flask,Faiz7412/flask,XGiton/flask,zailushangde/flask,jstacoder/flask,postelin/flask,iamantee/flask,s7v7nislands/flask,cgvarela/flask,ankravch/flask,ankurpandey/flask,chenke91/flask,bodefuwa/flask,edcomstock/flask,Parkayun/flask,ffsdmad/flask,sixpi/flask,suppandi/flask,rawrgulmuffins/flask,lyn233/flask,cheesecake4392/flask,oculardexterity/flask,aniketshukla/flask,HeyItsAlan/flask,tangfeng1/flask,dominjune/flask,GavinCruise/flask,alexwidener/flask,arvinls/flask,horica-ionescu/flask,algoStruct/flask,jonatanblue/flask,tjxiter/flask,drewja/flask,pledo/flask,drewja/flask,gbolahanalade/flask,alanhamlett/flask,fengsp/flask,lalinsky/flask,nZac/flask,nZac/flask,JamesTFarrington/flask,ankurpandey/flask,fevxie/flask,liuyi1112/flask,happyspace/flask,kuhli/flask,liukaijv/flask,onetinyr/flask,godfreyy/flask,WSDC-NITWarangal/flask,LonglyCode/flask,postelin/flask,Papa2k15/flask,liukaijv/flask,gaomingnudt/gm-flask2.0,treedledee/flask,vishnugonela/flask,brianbeale/flask,sgrepo/flask,sage417/flask,anujk3/flask,cgvarela/flask,karlw00t/flask,sonnyhu/flask,MjAbuz/flask,TylerB24890/flask,ZacariasBendeck/flask,nju520/flask,DesQi/flask,alanhamlett/flask,ezequielo/flask,suppandi/flask,karen-wang/flask,ezequielo/flask,XGiton/flask,bodefuwa/flask,fkazimierczak/flask,tangfeng1/flask,homeworkprod/flask,jstacoder/flask,artleaf/flask,wklken/flask,margguo/flask,tangfeng1/flask,pxzhenren/flask,luvten/flask,elelianghh/flask,garaden/flask,gbolahanalade/flask,xiaoshaozi52/flask,kyle-sorensen/flask,kuhli/flask,jorpramo/flask,ankurpandey/flask,wtorcasoGB/flask,justanr/flask,EasonYi/flask,warm200/flask,JingZhou0404/flask,hyunchel/flask,wtl-zju/flask,ryandvill/flask,VictorChaun/flask,VShangxiao/flask,Parkayun/flask,RohithKP/flask,jenalgit/flask,vivekanand1101/flask,pallets/flask,antsar/flask,gilesburnfield/flask,blankme/flask,wangjun/flask,jiimaho/flask,hoatle/flask,brianbeale/flask,wtorcasoGB/flask,ghhong1986/flask,Endika/flask,cliu-aa/flask,dominjune/flask,theo-l/flask,warm200/flask,alexwidener/flask,sage417/flask,justanr/flask,DesQi/flask,s7v7nislands/flask,auready/flask,flabe81/flask,adrianmoisey/cptdevops,VShangxiao/flask,SsangYoon/Flask,tcnoviembre2013/flask,felipefuka/flask,aniketshukla/flask,fanshaohua-fan/flask,moluzhang/flask,oculardexterity/flask,TylerB24890/flask,qinfengsuiyu/flask,zoyanhui/flask,mAzurkovic/flask,fkazimierczak/flask,jonieli/flask,suppandi/flask,karen-wang/flask,xiaoshaozi52/flask,artleaf/flask,ffsdmad/flask,bluedazzle/flask,godfreyy/flask,treedledee/flask,szymonm/flask,qinfengsuiyu/flask,jorpramo/flask,tcnoviembre2013/flask,karen-wang/flask,wldtyp/flask,raven47git/flask,AvivC/flask,VictorChaun/flask,TylerB24890/flask,flamelizard/flask,jenalgit/flask,lynget/flask,vivekanand1101/flask,pallets/flask,robertglen/flask,ABaldwinHunter/flask-clone-classic,dhruvsrivastava/flask,raven47git/flask,chenke91/flask,wilbert-abreu/flask,bluedazzle/flask,chuijiaolianying/flask,abdulbaqi/flask,raven47git/flask,Faiz7412/flask,anujk3/flask,huwenhui/flask,EasonYi/flask,alanhamlett/flask,szymonm/flask,ryandvill/flask,nwags/flask,fkazimierczak/flask,jeezybrick/flask,mrdon/flask,wudafucode/flask,chuijiaolianying/flask,nju520/flask,erishforG/flask,Eagles2F/flask,jenalgit/flask,felipefuka/flask,sam-tsai/flask,karlw00t/flask,gangeshwark/flask,wtl-zju/flask,gangeshwark/flask,VShangxiao/flask,MjAbuz/flask,tripathi62674/flask,mitsuhiko/flask,vishnugonela/flask,mysweet/flask,flabe81/flask,sonnyhu/flask,homeworkprod/flask,lynget/flask,Eagles2F/flask,horica-ionescu/flask,moluzhang/flask,postelin/flask,Ricardo666666/flask,niima/flask,wklken/flask,AndreaEdwards/flask,flamelizard/flask,tristanfisher/flask,mitchfriedman/flask,gilesburnfield/flask,vishnugonela/flask,tjxiter/flask,Freebird2014/flask,visaxin/flask,SsangYoon/Flask,fengsp/flask,JamesTFarrington/flask,Ricardo666666/flask,q1ang/flask,s7v7nislands/flask,chenke91/flask,liuyi1112/flask,xujianhai/flask,jstacoder/flask,jeezybrick/flask,grayswand1r/flask,elelianghh/flask,adrianmoisey/cptdevops,ryandvill/flask,luzzyzhang/flask,drewja/flask,VictorChaun/flask,hoatle/flask,kuku940/flask,arvinls/flask,kuku940/flask,ezequielo/flask,blankme/flask,lalinsky/flask,jonieli/flask,mujiatong/flask,liaoqingwei/flask,fevxie/flask,huwenhui/flask,GavinCruise/flask,luzzyzhang/flask,lyn233/flask,warm200/flask,pxzhenren/flask,rollingstone/flask,Ricardo666666/flask,visaxin/flask,onetinyr/flask,q1ang/flask,tony/flask,Freebird2014/flask,fanshaohua-fan/flask,sam-tsai/flask,antsar/flask,pinkpet/flask,godfreyy/flask,RohithKP/flask,kyle-sorensen/flask,rawrgulmuffins/flask,mitchfriedman/flask,liaoqingwei/flask,szymonm/flask,wldtyp/flask,cliu-aa/flask,theo-l/flask,pinkpet/flask,algoStruct/flask,sixpi/flask,erishforG/flask,stephaniemertz/flask,sgrepo/flask,jorpramo/flask,mrdon/flask,algoStruct/flask,artleaf/flask,jawed123/flask,skmezanul/flask,justanr/flask,dhruvsrivastava/flask,JingZhou0404/flask,beni55/flask,nwags/flask,abdulbaqi/flask,mrdon/flask,AndreaEdwards/flask,gaomingnudt/gm-flask2.0,HeyItsAlan/flask,xujianhai/flask,Faiz7412/flask,wudafucode/flask,wangjun/flask,GavinCruise/flask,ABaldwinHunter/flask-clone-classic,dawran6/flask,pallets/flask,lord63-forks/flask,tristanfisher/flask,mitsuhiko/flask,iamantee/flask,cheesecake4392/flask,ZacariasBendeck/flask,Papa2k15/flask