diff --git a/tests/conftest.py b/tests/conftest.py
index f1248a5..5d281d3 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -221,6 +221,9 @@ def run_scraper_offline(fixture_text):
                     if "/api/list/contests/all" in url:
                         data = json.loads(fixture_text("codechef/contests.json"))
                         return MockResponse(data)
+                    if "/api/list/contests/past" in url:
+                        data = json.loads(fixture_text("codechef/contests_past.json"))
+                        return MockResponse(data)
                     if "/api/contests/START" in url and "/problems/" not in url:
                         contest_id = url.rstrip("/").split("/")[-1]
                         try:
diff --git a/tests/fixtures/codechef/contests_past.json b/tests/fixtures/codechef/contests_past.json
new file mode 100644
index 0000000..449b185
--- /dev/null
+++ b/tests/fixtures/codechef/contests_past.json
@@ -0,0 +1,16 @@
+{
+  "status": "success",
+  "message": "past contests list",
+  "contests": [
+    {
+      "contest_code": "START209D",
+      "contest_name": "Starters 209 Div 4",
+      "contest_start_date_iso": "2025-01-01T10:30:00+05:30"
+    },
+    {
+      "contest_code": "START208",
+      "contest_name": "Starters 208",
+      "contest_start_date_iso": "2024-12-25T10:30:00+05:30"
+    }
+  ]
+}