test: bypass Turnstile network calls in test env

app/services/turnstile.py

@@ -66,6 +66,14 @@ def verify_turnstile_token(token: str, remote_ip: str | None = None) -> bool:
         return True
     if not token.strip():
         return False
+    if _environment() == "test":
+        if (
+            settings.site_key == ALWAYS_FAIL_TURNSTILE_TEST_SITE_KEY
+            and settings.secret_key == ALWAYS_FAIL_TURNSTILE_TEST_SECRET_KEY
+        ):
+            return False
+        if settings.uses_test_keys:
+            return True
     try:
         response = requests.post(
             TURNSTILE_VERIFY_URL,