diff --git a/api/tests/test_product_details.py b/api/tests/test_product_details.py
index 599bfcd16..71f8e9af7 100644
--- a/api/tests/test_product_details.py
+++ b/api/tests/test_product_details.py
@@ -148,7 +148,62 @@ async def test_rebuild(app, tmp_path):
         mock.patch("shipit_api.common.config.PRODUCT_DETAILS_DIR", tmp_path / "product-details"),
         mock.patch("shipit_api.common.config.PRODUCT_DETAILS_NEW_DIR", tmp_path / "product-details-new"),
         mock.patch("shipit_api.common.config.PRODUCT_DETAILS_CACHE_DIR", tmp_path / "product-details-cache"),
+        aioresponses(passthrough=["https://hg.mozilla.org"]) as m,
     ):
+        m.get(
+            "https://whattrainisitnow.com/api/release/schedule/?version=135",
+            repeat=True,
+            payload={
+                "version": "135.0",
+                "nightly_start": "2024-11-25 00:00:00+00:00",
+                "a11y_request_deadline": "2024-11-29 00:00:00+00:00",
+                "qa_request_deadline": "2024-11-29 00:00:00+00:00",
+                "qa_feature_done_1": "2024-12-06 21:00:00+00:00",
+                "qa_feature_done_2": "2025-01-02 08:00:00+00:00",
+                "soft_code_freeze": "2025-01-02 08:00:00+00:00",
+                "qa_test_plan_due": "2025-01-03 00:00:00+00:00",
+                "string_freeze": "2025-01-03 00:00:00+00:00",
+                "qa_pre_merge_done": "2025-01-03 14:00:00+00:00",
+                "merge_day": "2025-01-06 00:00:00+00:00",
+                "beta_1": "2025-01-06 00:00:00+00:00",
+                "beta_2": "2025-01-08 13:00:00+00:00",
+                "beta_3": "2025-01-10 13:00:00+00:00",
+                "sumo_1": "2025-01-10 21:00:00+00:00",
+                "beta_4": "2025-01-13 13:00:00+00:00",
+                "beta_5": "2025-01-15 13:00:00+00:00",
+                "beta_6": "2025-01-17 13:00:00+00:00",
+                "beta_7": "2025-01-20 13:00:00+00:00",
+                "sumo_2": "2025-01-20 21:00:00+00:00",
+                "beta_8": "2025-01-22 13:00:00+00:00",
+                "qa_pre_rc_signoff": "2025-01-22 14:00:00+00:00",
+                "beta_9": "2025-01-24 13:00:00+00:00",
+                "rc_gtb": "2025-01-27 21:00:00+00:00",
+                "rc": "2025-01-28 00:00:00+00:00",
+                "release": "2025-02-04 14:00:00+00:00",
+                "mobile_dot_release": "2025-02-11 00:00:00+00:00",
+                "planned_dot_release": "2025-02-18 00:00:00+00:00",
+            },
+        )
+        m.get(
+            "https://whattrainisitnow.com/api/release/schedule/?version=134",
+            repeat=True,
+            payload={
+                "version": "134.0",
+                "nightly_start": "2024-10-29 00:00:00+00:00",
+                "soft_code_freeze": "2024-11-21 08:00:00+00:00",
+                "merge_day": "2024-11-25 00:00:00+00:00",
+                "beta_1": "2024-11-26 00:00:00+00:00",
+                "beta_2": "2024-11-27 00:00:00+00:00",
+                "beta_3": "2024-11-29 00:00:00+00:00",
+                "beta_4": "2024-12-02 00:00:00+00:00",
+                "beta_5": "2024-12-04 00:00:00+00:00",
+                "beta_6": "2024-12-06 00:00:00+00:00",
+                "beta_7": "2024-12-09 00:00:00+00:00",
+                "beta_8": "2024-12-11 00:00:00+00:00",
+                "beta_9": "2024-12-13 00:00:00+00:00",
+                "release": "2025-01-07 14:00:00+00:00",
+            },
+        )
         await rebuild(app.db.session, "testing", "https://github.com/mozilla-releng/product-details", "public", 130)
 
     parent = tmp_path / "product-details" / "public" / "1.0"