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Got an error creating the test database: ERREUR: droit refusé pour créer une base de données

#When Django runs the test suite, it creates a new database, in your case test_finance. The postgres user with username django does not have permission to create a database, hence the error message.

#When you run migrate or syncdb, Django does not try to create the finance database, so you don't get any errors.

#You can add the createdb permission to the django user by running the following command in the postgres shell as a superuser

#connect to postgres
ALTER USER user_name CREATEDB;

#change user_name by your username