PRWLR-4236: fix(CI): use postgres for unit tests (#19)

* fix(Config): use local postgres for unit tests

* fix(CI): use postgres for unit tests in GHA

src/backend/config/django/testing.py

@@ -5,10 +5,13 @@ from config.env import env
 DEBUG = env.bool("DJANGO_DEBUG", default=False)
 ALLOWED_HOSTS = env.list("DJANGO_ALLOWED_HOSTS", default=["localhost", "127.0.0.1"])
 
-# Database
 DATABASES = {
     "default": {
-        "ENGINE": "django.db.backends.sqlite3",
-        "NAME": ":memory:",
+        "ENGINE": "django.db.backends.postgresql",
+        "NAME": "prowler_db_test",
+        "USER": env("POSTGRES_USER", default="prowler"),
+        "PASSWORD": env("POSTGRES_PASSWORD", default="S3cret"),
+        "HOST": env("POSTGRES_HOST", default="localhost"),
+        "PORT": env("POSTGRES_PORT", default="5432"),
     }
 }