Add test for update environment with invalid name
Add test for update environment with invalid name

1.fix a typo in comment
2.Add test for update environment with invalid name

Change-Id: I26c91c54a53a585cdcfa9d55515869882ca446e1

satish-avninetworks/murano,NeCTAR-RC/murano,NeCTAR-RC/murano,olivierlemasle/murano,DavidPurcell/murano_temp,satish-avninetworks/murano,satish-avninetworks/murano,openstack/murano,olivierlemasle/murano,satish-avninetworks/murano,DavidPurcell/murano_temp,NeCTAR-RC/murano,DavidPurcell/murano_temp,NeCTAR-RC/murano,olivierlemasle/murano,DavidPurcell/murano_temp,openstack/murano,olivierlemasle/murano