test: Add blueprint name character verification case
test: Add blueprint name character verification case

1. blueprint name with invalid character should not be allowed
2. all invalid characters should be reported with error message

jkozol/welder-web,weldr/welder-web,weldr/welder-web,jkozol/welder-web,weldr/welder-web,jkozol/welder-web,jkozol/welder-web,weldr/welder-web