diff --git a/tests/test_searchqa_rollout_failfast.py b/tests/test_searchqa_rollout_failfast.py
new file mode 100644
index 0000000..ef2ef71
--- /dev/null
+++ b/tests/test_searchqa_rollout_failfast.py
@@ -0,0 +1,25 @@
+import json
+
+import pytest
+
+from skillopt.envs.searchqa.rollout import run_batch
+
+
+def test_cached_systemic_rollout_failure_aborts(tmp_path):
+    (tmp_path / "results.jsonl").write_text(
+        "\n".join([
+            json.dumps({"id": "1", "agent_ok": False, "fail_reason": "endpoint missing"}),
+            json.dumps({"id": "2", "agent_ok": False, "fail_reason": "endpoint missing"}),
+        ]),
+        encoding="utf-8",
+    )
+
+    with pytest.raises(RuntimeError, match="endpoint missing"):
+        run_batch([{"id": "1"}, {"id": "2"}], str(tmp_path), "skill")
+
+
+def test_cached_answered_wrong_rollout_does_not_abort(tmp_path):
+    result = {"id": "1", "agent_ok": True, "hard": 0, "fail_reason": "wrong answer"}
+    (tmp_path / "results.jsonl").write_text(json.dumps(result), encoding="utf-8")
+
+    assert run_batch([{"id": "1"}], str(tmp_path), "skill") == [result]