Add missing test for db.instance_type_destroy method
Add missing test for db.instance_type_destroy method

This test checks that if there is no such instance_type
then is raised exception.InstanceTypeNotFound

blueprint db-api-tests

Change-Id: I0a0db7aaefe6ac781c520e3b90958800db8fd52b

eharney/nova,whitepages/nova,cloudbau/nova,shootstar/novatest,phenoxim/nova,klmitch/nova,eharney/nova,TwinkleChawla/nova,takeshineshiro/nova,DirectXMan12/nova-hacking,cloudbase/nova-virtualbox,Yuriy-Leonov/nova,spring-week-topos/nova-week,zaina/nova,Tehsmash/nova,JianyuWang/nova,Metaswitch/calico-nova,belmiromoreira/nova,badock/nova,cernops/nova,rajalokan/nova,DirectXMan12/nova-hacking,klmitch/nova,orbitfp7/nova,zzicewind/nova,rahulunair/nova,varunarya10/nova_test_latest,Brocade-OpenSource/OpenStack-DNRM-Nova,OpenAcademy-OpenStack/nova-scheduler,cyx1231st/nova,virtualopensystems/nova,vladikr/nova_drafts,CCI-MOC/nova,eonpatapon/nova,devendermishrajio/nova,CiscoSystems/nova,zaina/nova,sridevikoushik31/nova,dawnpower/nova,sridevikoushik31/nova,sridevikoushik31/nova,rickerc/nova_audit,JioCloud/nova_test_latest,tealover/nova,devendermishrajio/nova_test_latest,qwefi/nova,apporc/nova,bigswitch/nova,jianghuaw/nova,Yusuke1987/openstack_template,ted-gould/nova,rickerc/nova_audit,openstack/nova,felixma/nova,alvarolopez/nova,badock/nova,scripnichenko/nova,vmturbo/nova,zhimin711/nova,petrutlucian94/nova_dev,DirectXMan12/nova-hacking,silenceli/nova,rajalokan/nova,mahak/nova,yatinkumbhare/openstack-nova,mgagne/nova,BeyondTheClouds/nova,imsplitbit/nova,CloudServer/nova,OpenAcademy-OpenStack/nova-scheduler,tealover/nova,hanlind/nova,cloudbase/nova-virtualbox,joker946/nova,ewindisch/nova,tudorvio/nova,mikalstill/nova,whitepages/nova,mikalstill/nova,vmturbo/nova,barnsnake351/nova,Juniper/nova,virtualopensystems/nova,cernops/nova,felixma/nova,Tehsmash/nova,blueboxgroup/nova,citrix-openstack-build/nova,affo/nova,alaski/nova,kimjaejoong/nova,hanlind/nova,leilihh/novaha,sridevikoushik31/nova,silenceli/nova,devoid/nova,alexandrucoman/vbox-nova-driver,akash1808/nova,Juniper/nova,eayunstack/nova,cyx1231st/nova,zzicewind/nova,Brocade-OpenSource/OpenStack-DNRM-Nova,saleemjaveds/https-github.com-openstack-nova,rrader/nova-docker-plugin,akash1808/nova_test_latest,mmnelemane/nova,bgxavier/nova,bgxavier/nova,plumgrid/plumgrid-nova,rahulunair/nova,thomasem/nova,iuliat/nova,berrange/nova,jeffrey4l/nova,devendermishrajio/nova,kimjaejoong/nova,rajalokan/nova,tianweizhang/nova,JioCloud/nova,cernops/nova,TieWei/nova,cloudbau/nova,SUSE-Cloud/nova,Juniper/nova,dawnpower/nova,j-carpentier/nova,bigswitch/nova,CEG-FYP-OpenStack/scheduler,adelina-t/nova,phenoxim/nova,LoHChina/nova,alaski/nova,yosshy/nova,spring-week-topos/nova-week,shahar-stratoscale/nova,petrutlucian94/nova,sacharya/nova,shootstar/novatest,Francis-Liu/animated-broccoli,maelnor/nova,MountainWei/nova,joker946/nova,jianghuaw/nova,openstack/nova,Juniper/nova,apporc/nova,jeffrey4l/nova,j-carpentier/nova,projectcalico/calico-nova,iuliat/nova,Metaswitch/calico-nova,akash1808/nova_test_latest,BeyondTheClouds/nova,noironetworks/nova,citrix-openstack-build/nova,sacharya/nova,tangfeixiong/nova,varunarya10/nova_test_latest,ntt-sic/nova,Francis-Liu/animated-broccoli,ruslanloman/nova,TwinkleChawla/nova,vmturbo/nova,Stavitsky/nova,raildo/nova,projectcalico/calico-nova,mgagne/nova,viggates/nova,tudorvio/nova,gooddata/openstack-nova,qwefi/nova,luogangyi/bcec-nova,Stavitsky/nova,rrader/nova-docker-plugin,raildo/nova,leilihh/nova,shahar-stratoscale/nova,ted-gould/nova,Yusuke1987/openstack_template,scripnichenko/nova,rahulunair/nova,zhimin711/nova,yatinkumbhare/openstack-nova,watonyweng/nova,edulramirez/nova,nikesh-mahalka/nova,yosshy/nova,mahak/nova,tanglei528/nova,eonpatapon/nova,CEG-FYP-OpenStack/scheduler,alexandrucoman/vbox-nova-driver,ntt-sic/nova,shail2810/nova,openstack/nova,eayunstack/nova,CiscoSystems/nova,leilihh/nova,gooddata/openstack-nova,isyippee/nova,dims/nova,mandeepdhami/nova,takeshineshiro/nova,saleemjaveds/https-github.com-openstack-nova,JioCloud/nova_test_latest,fnordahl/nova,petrutlucian94/nova,tianweizhang/nova,nikesh-mahalka/nova,klmitch/nova,mikalstill/nova,ewindisch/nova,klmitch/nova,petrutlucian94/nova_dev,viggates/nova,adelina-t/nova,redhat-openstack/nova,vladikr/nova_drafts,devoid/nova,TieWei/nova,vmturbo/nova,noironetworks/nova,sebrandon1/nova,gooddata/openstack-nova,shail2810/nova,tangfeixiong/nova,CCI-MOC/nova,maelnor/nova,jianghuaw/nova,isyippee/nova,akash1808/nova,cloudbase/nova,thomasem/nova,mmnelemane/nova,cloudbase/nova,fnordahl/nova,angdraug/nova,NeCTAR-RC/nova,gooddata/openstack-nova,devendermishrajio/nova_test_latest,Yuriy-Leonov/nova,hanlind/nova,plumgrid/plumgrid-nova,imsplitbit/nova,rajalokan/nova,redhat-openstack/nova,bclau/nova,JianyuWang/nova,edulramirez/nova,MountainWei/nova,berrange/nova,double12gzh/nova,tanglei528/nova,sebrandon1/nova,orbitfp7/nova,jianghuaw/nova,angdraug/nova,LoHChina/nova,leilihh/novaha,sebrandon1/nova,watonyweng/nova,affo/nova,belmiromoreira/nova,ruslanloman/nova,BeyondTheClouds/nova,CloudServer/nova,alvarolopez/nova,mandeepdhami/nova,SUSE-Cloud/nova,cloudbase/nova,dims/nova,double12gzh/nova,JioCloud/nova,blueboxgroup/nova,barnsnake351/nova,mahak/nova,luogangyi/bcec-nova,bclau/nova,NeCTAR-RC/nova