fix(test-settings): honor DATABASE_URL in test configuration

config/settings/test.py

@@ -1,19 +1,16 @@
 from .base import *  # noqa: F401, F403
+from .base import env
 
 DEBUG = False
 ALLOWED_HOSTS = ["testserver", "localhost"]
 
 DATABASES = {
-    "default": {
-        "ENGINE": "django.db.backends.postgresql",
-        "NAME": "training_test",
-        "USER": "training",
-        "PASSWORD": "training",
-        "HOST": "localhost",
-        "PORT": "5432",
-        "TEST": {"NAME": "training_test"},
-    }
+    "default": env.db(
+        "DATABASE_URL",
+        default="postgres://training:training@localhost:5432/training_test",
+    )
 }
+DATABASES["default"].setdefault("TEST", {"NAME": "training_test"})
 
 CACHES = {
     "default": {