Fix alembic migrations importing app

Ensure we connect to loaded config db

config_app/config_endpoints/api/suconfig.py

@@ -22,9 +22,6 @@ logger = logging.getLogger(__name__)
 
 def database_is_valid():
     """ Returns whether the database, as configured, is valid. """
-    if app.config['TESTING']:
-        return False
-
     return model.is_valid()
 
 
@@ -103,9 +100,6 @@ class SuperUserConfig(ApiResource):
                     # Link the existing user to the external user.
                     model.attach_federated_login(current_user.username, service_name, result.username)
 
-            # Ensure database is up-to-date with config
-            sync_database_with_config(config_object)
-
             return {
                 'exists': True,
                 'config': config_object
@@ -182,11 +176,12 @@ class SuperUserSetupDatabase(ApiResource):
 
             configure(combined)
             app.config['DB_URI'] = combined['DB_URI']
+            db_uri = app.config['DB_URI']
 
             log_handler = _AlembicLogHandler()
 
             try:
-                run_alembic_migration(log_handler)
+                run_alembic_migration(db_uri, log_handler)
             except Exception as ex:
                 return {
                     'error': str(ex)