fix cli test

Author: sanderegg

services/clusters-keeper/tests/unit/test_cli.py

@@ -3,16 +3,13 @@
 # pylint:disable=redefined-outer-name
 
 
-import pytest
-from faker import Faker
 from simcore_service_clusters_keeper.cli import main
 from typer.testing import CliRunner
 
 runner = CliRunner()
 
 
-def test_settings(monkeypatch: pytest.MonkeyPatch, faker: Faker):
-    monkeypatch.setenv("SWARM_STACK_NAME", faker.pystr())
+def test_settings(app_environment):
     result = runner.invoke(main, ["settings"])
     assert result.exit_code == 0
     assert "APP_NAME=simcore-service-clusters-keeper" in result.stdout