Merge "Make name of the demo user unique"

config_tempest/main.py

@@ -83,10 +83,10 @@ def load_basic_defaults(conf):
             ("log_file", "tempest.log")
         ],
         "identity": [
-            ("username", "demo"),
+            ("username", "demo_tempestconf"),
             ("password", "secrete"),
             ("project_name", "demo"),
-            ("alt_username", "alt_demo"),
+            ("alt_username", "alt_demo_tempestconf"),
             ("alt_password", "secrete"),
             ("alt_project_name", "alt_demo"),
             ("disable_ssl_certificate_validation", "true")

releasenotes/notes/unique-demo-user-name-fd9428a2d8efdc82.yaml

@@ -0,0 +1,7 @@
+---
+features:
+  - |
+   Tempestconf now creates users with name that ends with '_tempestconf'.
+   This change makes sure that collisions are avoided. For example, if the
+   system already contains a user named 'demo_tempestconf' then it was
+   probably created by tempestconf.