Updates to API tests

This patch,
1) Tags some of the tests as smoke
2) Adds config option to include project_id in the url

Change-Id: I1a86b157d0dd5ffb7a92216ba5ac60a254be103d

tests/etc/api.conf

@@ -18,6 +18,7 @@ status_check_retry_interval=2
 status_check_retry_timeout=30
 generate_flavors=False
 default_flavor=standard
+project_id_in_url = False
 
 [provider_1]
 api_key=INSERT_YOUR_API_KEY