Switch fixture imports to wildcard in prep for full db test fixes

auth/test/test_cookie.py

@@ -5,7 +5,7 @@ from flask_login import login_user
 from app import LoginWrappedDBUser
 from data import model
 from auth.cookie import validate_session_cookie
-from test.fixtures import app, appconfig, database_uri, init_db_path, sqlitedb_file
+from test.fixtures import *
 
 def test_anonymous_cookie(app):
   assert validate_session_cookie().missing