Add config tests

{{cookiecutter.app_name}}/tests/test_config.py

@@ -0,0 +1,17 @@
+# -*- coding: utf-8 -*-
+from {{cookiecutter.app_name}}.app import create_app
+from {{cookiecutter.app_name}}.settings import ProdConfig, DevConfig
+
+def test_production_config():
+    app = create_app(ProdConfig)
+    assert app.config['ENV'] == 'prod'
+    assert app.config['DEBUG'] is False
+    assert app.config['DEBUG_TB_ENABLED'] is False
+    assert app.config['ASSETS_DEBUG'] is False
+
+
+def test_dev_config():
+    app = create_app(DevConfig)
+    assert app.config['ENV'] == 'dev'
+    assert app.config['DEBUG'] is True
+    assert app.config['ASSETS_DEBUG'] is True