Corrected  misspelled method in horizon documentation
Corrected  misspelled method in horizon documentation

In the page:  http://docs.openstack.org/developer/horizon/topics/testing.html had two misspelled assertion method.

asertNoMessages() changed by assertNoMessages(), twice.

Change-Id: Icde7d230e57701eb93ed4f0e705b7737260d7ecf
Fixes: without launchpad bug number.

coreycb/horizon,Mirantis/mos-horizon,Hodorable/0602,openstack-ja/horizon,promptworks/horizon,bac/horizon,rickerc/horizon_audit,vladryk/horizon,Solinea/horizon,django-leonardo/horizon,agileblaze/OpenStackTwoFactorAuthentication,yeming233/horizon,idjaw/horizon,icloudrnd/automation_tools,endorphinl/horizon,xinwu/horizon,dan1/horizon-proto,tqtran7/horizon,zouyapeng/horizon,kfox1111/horizon,Solinea/horizon,aaronorosen/horizon-congress,VaneCloud/horizon,zouyapeng/horizon,liyitest/rr,ChameleonCloud/horizon,orbitfp7/horizon,orbitfp7/horizon,gochist/horizon,spring-week-topos/horizon-week,tanglei528/horizon,Dark-Hacker/horizon,endorphinl/horizon,endorphinl/horizon,gerrive/horizon,pranavtendolkr/horizon,takeshineshiro/horizon,nvoron23/avos,CiscoSystems/avos,mdavid/horizon,saydulk/horizon,bigswitch/horizon,JioCloud/horizon,Daniex/horizon,redhat-openstack/horizon,openstack-ja/horizon,xme1226/horizon,bac/horizon,noironetworks/horizon,NCI-Cloud/horizon,BiznetGIO/horizon,kfox1111/horizon,redhat-openstack/horizon,Dark-Hacker/horizon,sandvine/horizon,blueboxgroup/horizon,yeming233/horizon,mrunge/horizon_lib,endorphinl/horizon-fork,tqtran7/horizon,promptworks/horizon,j4/horizon,watonyweng/horizon,mdavid/horizon,ging/horizon,henaras/horizon,damien-dg/horizon,promptworks/horizon,ikargis/horizon_fod,henaras/horizon,xinwu/horizon,anthonydillon/horizon,mdavid/horizon,davidcusatis/horizon,tellesnobrega/horizon,flochaz/horizon,maestro-hybrid-cloud/horizon,RudoCris/horizon,damien-dg/horizon,froyobin/horizon,zouyapeng/horizon,Tesora/tesora-horizon,RudoCris/horizon,tqtran7/horizon,izadorozhna/dashboard_integration_tests,VaneCloud/horizon,zouyapeng/horizon,wolverineav/horizon,gochist/horizon,RudoCris/horizon,mrunge/horizon,ging/horizon,FNST-OpenStack/horizon,icloudrnd/automation_tools,tsufiev/horizon,openstack-ja/horizon,redhat-cip/horizon,mrunge/openstack_horizon,yjxtogo/horizon,coreycb/horizon,maestro-hybrid-cloud/horizon,CiscoSystems/horizon,Mirantis/mos-horizon,watonyweng/horizon,froyobin/horizon,mrunge/horizon_lib,idjaw/horizon,sandvine/horizon,wolverineav/horizon,NeCTAR-RC/horizon,netscaler/horizon,vladryk/horizon,mrunge/horizon,sandvine/horizon,luhanhan/horizon,saydulk/horizon,vladryk/horizon,maestro-hybrid-cloud/horizon,wangxiangyu/horizon,Metaswitch/horizon,takeshineshiro/horizon,doug-fish/horizon,noironetworks/horizon,luhanhan/horizon,damien-dg/horizon,Dark-Hacker/horizon,yeming233/horizon,doug-fish/horizon,newrocknj/horizon,django-leonardo/horizon,nvoron23/avos,aaronorosen/horizon-congress,FNST-OpenStack/horizon,tqtran7/horizon,dan1/horizon-x509,NCI-Cloud/horizon,blueboxgroup/horizon,philoniare/horizon,nvoron23/avos,JioCloud/horizon,doug-fish/horizon,eayunstack/horizon,r-icarus/openstack_microserver,BiznetGIO/horizon,promptworks/horizon,eayunstack/horizon,anthonydillon/horizon,endorphinl/horizon-fork,xinwu/horizon,RudoCris/horizon,VaneCloud/horizon,yjxtogo/horizon,BiznetGIO/horizon,Dark-Hacker/horizon,citrix-openstack-build/horizon,rickerc/horizon_audit,philoniare/horizon,watonyweng/horizon,maestro-hybrid-cloud/horizon,davidcusatis/horizon,sandvine/horizon,openstack/horizon,idjaw/horizon,FNST-OpenStack/horizon,watonyweng/horizon,dan1/horizon-proto,j4/horizon,flochaz/horizon,django-leonardo/horizon,newrocknj/horizon,liyitest/rr,liyitest/rr,ChameleonCloud/horizon,CiscoSystems/avos,openstack/horizon,coreycb/horizon,kaiweifan/horizon,dan1/horizon-proto,takeshineshiro/horizon,JioCloud/horizon,agileblaze/OpenStackTwoFactorAuthentication,noironetworks/horizon,bigswitch/horizon,yjxtogo/horizon,icloudrnd/automation_tools,FNST-OpenStack/horizon,Mirantis/mos-horizon,ging/horizon,netscaler/horizon,Daniex/horizon,henaras/horizon,CiscoSystems/horizon,endorphinl/horizon-fork,vladryk/horizon,VaneCloud/horizon,agileblaze/OpenStackTwoFactorAuthentication,davidcusatis/horizon,wangxiangyu/horizon,anthonydillon/horizon,r-icarus/openstack_microserver,j4/horizon,mandeepdhami/horizon,orbitfp7/horizon,Daniex/horizon,pranavtendolkr/horizon,dan1/horizon-x509,saydulk/horizon,doug-fish/horizon,kfox1111/horizon,NeCTAR-RC/horizon,wangxiangyu/horizon,liyitest/rr,dan1/horizon-x509,icloudrnd/automation_tools,mrunge/horizon_lib,Tesora/tesora-horizon,yanheven/console,gerrive/horizon,coreycb/horizon,tellesnobrega/horizon,damien-dg/horizon,spring-week-topos/horizon-week,luhanhan/horizon,Mirantis/mos-horizon,NeCTAR-RC/horizon,orbitfp7/horizon,xme1226/horizon,j4/horizon,Metaswitch/horizon,tsufiev/horizon,wolverineav/horizon,blueboxgroup/horizon,ChameleonCloud/horizon,ging/horizon,Solinea/horizon,mandeepdhami/horizon,kfox1111/horizon,CiscoSystems/avos,Metaswitch/horizon,citrix-openstack-build/horizon,karthik-suresh/horizon,spring-week-topos/horizon-week,saydulk/horizon,flochaz/horizon,henaras/horizon,xme1226/horizon,openstack/horizon,newrocknj/horizon,endorphinl/horizon,dan1/horizon-x509,pranavtendolkr/horizon,mdavid/horizon,karthik-suresh/horizon,agileblaze/OpenStackTwoFactorAuthentication,gochist/horizon,CiscoSystems/horizon,NeCTAR-RC/horizon,izadorozhna/dashboard_integration_tests,yeming233/horizon,blueboxgroup/horizon,redhat-cip/horizon,redhat-openstack/horizon,CiscoSystems/horizon,noironetworks/horizon,kaiweifan/horizon,redhat-cip/horizon,endorphinl/horizon-fork,NCI-Cloud/horizon,Solinea/horizon,openstack/horizon,philoniare/horizon,mrunge/horizon,eayunstack/horizon,karthik-suresh/horizon,Tesora/tesora-horizon,aaronorosen/horizon-congress,froyobin/horizon,Hodorable/0602,ikargis/horizon_fod,gerrive/horizon,NCI-Cloud/horizon,Metaswitch/horizon,bigswitch/horizon,tanglei528/horizon,tsufiev/horizon,xinwu/horizon,redhat-openstack/horizon,r-icarus/openstack_microserver,citrix-openstack-build/horizon,flochaz/horizon,wolverineav/horizon,mandeepdhami/horizon,pranavtendolkr/horizon,anthonydillon/horizon,bac/horizon,tellesnobrega/horizon,idjaw/horizon,nvoron23/avos,ikargis/horizon_fod,wangxiangyu/horizon,karthik-suresh/horizon,Hodorable/0602,yanheven/console,kaiweifan/horizon,Tesora/tesora-horizon,yjxtogo/horizon,dan1/horizon-proto,ChameleonCloud/horizon,netscaler/horizon,davidcusatis/horizon,tsufiev/horizon,tanglei528/horizon,Hodorable/0602,gerrive/horizon,luhanhan/horizon,redhat-cip/horizon,bigswitch/horizon,mandeepdhami/horizon,mrunge/openstack_horizon,CiscoSystems/avos,tellesnobrega/horizon,Daniex/horizon,BiznetGIO/horizon,takeshineshiro/horizon,bac/horizon,yanheven/console,philoniare/horizon,django-leonardo/horizon,rickerc/horizon_audit,mrunge/openstack_horizon,newrocknj/horizon