diff --git a/fittrackee/tests/application/test_config.py b/fittrackee/tests/application/test_config.py
index 6a6b1bb4..7e43967d 100644
--- a/fittrackee/tests/application/test_config.py
+++ b/fittrackee/tests/application/test_config.py
@@ -3,20 +3,78 @@ import os
 from flask import Flask
 
 
-class TestConfig:
-    def test_development_config(self, app: Flask) -> None:
+class TestDevelopmentConfig:
+    def test_debug_is_enabled(self, app: Flask) -> None:
         app.config.from_object('fittrackee.config.DevelopmentConfig')
+
         assert app.config['DEBUG']
+
+    def test_testing_is_disabled(self, app: Flask) -> None:
+        app.config.from_object('fittrackee.config.DevelopmentConfig')
+
         assert not app.config['TESTING']
+
+    def test_sqlalchemy_is_configured_to_use_dev_database(
+        self, app: Flask
+    ) -> None:
+        app.config.from_object('fittrackee.config.DevelopmentConfig')
+
         assert app.config['SQLALCHEMY_DATABASE_URI'] == os.environ.get(
             'DATABASE_URL'
         )
 
-    def test_testing_config(self, app: Flask) -> None:
+
+class TestTestingConfig:
+    def test_debug_is_enabled(self, app: Flask) -> None:
         app.config.from_object('fittrackee.config.TestingConfig')
+
         assert app.config['DEBUG']
+
+    def test_testing_is_enabled(self, app: Flask) -> None:
+        app.config.from_object('fittrackee.config.TestingConfig')
+
         assert app.config['TESTING']
-        assert not app.config['PRESERVE_CONTEXT_ON_EXCEPTION']
+
+    def test_sqlalchemy_is_configured_to_use_testing_database(
+        self, app: Flask
+    ) -> None:
+        app.config.from_object('fittrackee.config.TestingConfig')
+
         assert app.config['SQLALCHEMY_DATABASE_URI'] == os.environ.get(
             'DATABASE_TEST_URL'
         )
+
+    def test_it_does_not_preserve_context_on_exception(
+        self, app: Flask
+    ) -> None:
+        app.config.from_object('fittrackee.config.TestingConfig')
+
+        assert not app.config['PRESERVE_CONTEXT_ON_EXCEPTION']
+
+
+class TestProductionConfig:
+    def test_debug_is_disabled(self, app: Flask) -> None:
+        app.config.from_object('fittrackee.config.ProductionConfig')
+
+        assert not app.config['DEBUG']
+
+    def test_testing_is_disabled(self, app: Flask) -> None:
+        app.config.from_object('fittrackee.config.ProductionConfig')
+
+        assert not app.config['TESTING']
+
+    def test_sqlalchemy_is_configured_to_use_testing_database(
+        self, app: Flask
+    ) -> None:
+        app.config.from_object('fittrackee.config.ProductionConfig')
+
+        assert app.config['SQLALCHEMY_DATABASE_URI'] == os.environ.get(
+            'DATABASE_TEST_URL'
+        )
+
+    def test_it_does_not_preserve_context_on_exception(
+        self, app: Flask
+    ) -> None:
+        app.config.from_object('fittrackee.config.ProductionConfig')
+
+        assert not app.config['PRESERVE_CONTEXT_ON_EXCEPTION']