diff --git a/src/jobflow_remote/testing/__init__.py b/src/jobflow_remote/testing/__init__.py
index 4aafe91e..53d40963 100644
--- a/src/jobflow_remote/testing/__init__.py
+++ b/src/jobflow_remote/testing/__init__.py
@@ -2,7 +2,7 @@
 
 from typing import Callable, Optional, Union
 
-from jobflow import job
+from jobflow import Response, job
 
 
 @job
@@ -41,3 +41,14 @@ def check_env_var() -> str:
     import os
 
     return os.environ.get("TESTING_ENV_VAR", "unset")
+
+
+@job(big_files="data")
+def add_big(a: float, b: float):
+    """Adds two numbers together and writes the answer to an artificially large file."""
+    import pathlib
+
+    result = a + b
+    with open("file.txt", "w") as f:
+        f.writelines([f"{result}"] * int(1e5))
+    return Response({"data": pathlib.Path("file.txt"), "result": a + b})
diff --git a/tests/integration/conftest.py b/tests/integration/conftest.py
index 903d0415..2dacb5cf 100644
--- a/tests/integration/conftest.py
+++ b/tests/integration/conftest.py
@@ -196,7 +196,14 @@ def write_tmp_settings(
                 "host": "localhost",
                 "port": db_port,
                 "collection_name": "docs",
-            }
+            },
+            "big_files_store": {
+                "type": "GridFSStore",
+                "database": store_database_name,
+                "host": "localhost",
+                "port": db_port,
+                "collection_name": "data",
+            },
         },
         queue={
             "store": {
diff --git a/tests/integration/test_slurm.py b/tests/integration/test_slurm.py
index 7dc849e9..89f4922e 100644
--- a/tests/integration/test_slurm.py
+++ b/tests/integration/test_slurm.py
@@ -234,3 +234,32 @@ def test_exec_config(worker, job_controller, random_project_name):
     job = job_controller.get_jobs({})[0]
     output = job_controller.jobstore.get_output(uuid=job["uuid"])
     assert output == random_project_name
+
+
+@pytest.mark.parametrize(
+    "worker",
+    ["test_local_worker", "test_remote_worker"],
+)
+def test_additional_stores(worker, job_controller):
+    from jobflow import Flow
+
+    from jobflow_remote import submit_flow
+    from jobflow_remote.jobs.runner import Runner
+    from jobflow_remote.jobs.state import FlowState, JobState
+    from jobflow_remote.testing import add_big
+
+    job = add_big(100, 100)
+    flow = Flow(job)
+    submit_flow(flow, worker=worker)
+
+    assert job_controller.count_jobs({}) == 1
+    assert job_controller.count_flows({}) == 1
+
+    runner = Runner()
+    runner.run(ticks=10)
+
+    job_controller.get_jobs({})[0]
+    breakpoint()
+
+    assert job_controller.count_jobs(state=JobState.FAILED) == 1
+    assert job_controller.count_flows(state=FlowState.FAILED) == 1