diff --git a/backend/tests/__pycache__/conftest.cpython-314-pytest-9.0.3.pyc b/backend/tests/__pycache__/conftest.cpython-314-pytest-9.0.3.pyc
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diff --git a/backend/tests/__pycache__/test_jobs.cpython-314-pytest-9.0.3.pyc b/backend/tests/__pycache__/test_jobs.cpython-314-pytest-9.0.3.pyc
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diff --git a/backend/tests/__pycache__/test_sources.cpython-314-pytest-9.0.3.pyc b/backend/tests/__pycache__/test_sources.cpython-314-pytest-9.0.3.pyc
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diff --git a/backend/tests/conftest.py b/backend/tests/conftest.py
index 8551487..f47b1dc 100644
--- a/backend/tests/conftest.py
+++ b/backend/tests/conftest.py
@@ -3,7 +3,7 @@ import pytest_asyncio
 from sqlalchemy.ext.asyncio import create_async_engine, AsyncSession, async_sessionmaker
 from app.database import Base, get_db
 from app.main import app
-from httpx import AsyncClient
+from httpx import AsyncClient, ASGITransport
 
 TEST_DATABASE_URL = "sqlite+aiosqlite:///:memory:"
 
@@ -28,6 +28,6 @@ async def client(db):
         yield db
     
     app.dependency_overrides[get_db] = override_get_db
-    async with AsyncClient(app=app, base_url="http://test") as ac:
+    async with AsyncClient(transport=ASGITransport(app=app), base_url="http://test") as ac:
         yield ac
     app.dependency_overrides.clear()
diff --git a/backend/tests/test_jobs.py b/backend/tests/test_jobs.py
index 05bfa21..69ac483 100644
--- a/backend/tests/test_jobs.py
+++ b/backend/tests/test_jobs.py
@@ -1,10 +1,10 @@
 import pytest
-from httpx import AsyncClient
+from httpx import AsyncClient, ASGITransport
 from app.main import app
 
 @pytest.mark.asyncio
 async def test_create_job():
-    async with AsyncClient(app=app, base_url="http://test") as ac:
+    async with AsyncClient(transport=ASGITransport(app=app), base_url="http://test") as ac:
         # Create a source first (job requires source_id)
         source_resp = await ac.post("/api/sources/", json={
             "name": "Test Source",
@@ -31,7 +31,7 @@ async def test_create_job():
 
 @pytest.mark.asyncio
 async def test_list_jobs():
-    async with AsyncClient(app=app, base_url="http://test") as ac:
+    async with AsyncClient(transport=ASGITransport(app=app), base_url="http://test") as ac:
         # Create source and job
         source_resp = await ac.post("/api/sources/", json={
             "name": "Test Source",
@@ -56,7 +56,7 @@ async def test_list_jobs():
 
 @pytest.mark.asyncio
 async def test_get_job():
-    async with AsyncClient(app=app, base_url="http://test") as ac:
+    async with AsyncClient(transport=ASGITransport(app=app), base_url="http://test") as ac:
         source_resp = await ac.post("/api/sources/", json={
             "name": "Test Source",
             "type": "local",
@@ -80,7 +80,7 @@ async def test_get_job():
 
 @pytest.mark.asyncio
 async def test_delete_job():
-    async with AsyncClient(app=app, base_url="http://test") as ac:
+    async with AsyncClient(transport=ASGITransport(app=app), base_url="http://test") as ac:
         source_resp = await ac.post("/api/sources/", json={
             "name": "Test Source",
             "type": "local",
@@ -102,13 +102,13 @@ async def test_delete_job():
     assert response.status_code == 200
     
     # Verify deletion
-    async with AsyncClient(app=app, base_url="http://test") as ac:
+    async with AsyncClient(transport=ASGITransport(app=app), base_url="http://test") as ac:
         get_resp = await ac.get(f"/api/jobs/{job_id}")
     assert get_resp.status_code == 404
 
 @pytest.mark.asyncio
 async def test_run_job():
-    async with AsyncClient(app=app, base_url="http://test") as ac:
+    async with AsyncClient(transport=ASGITransport(app=app), base_url="http://test") as ac:
         # Create source
         source_resp = await ac.post("/api/sources/", json={
             "name": "Test Source",
@@ -134,13 +134,13 @@ async def test_run_job():
 
 @pytest.mark.asyncio
 async def test_run_job_not_found():
-    async with AsyncClient(app=app, base_url="http://test") as ac:
+    async with AsyncClient(transport=ASGITransport(app=app), base_url="http://test") as ac:
         response = await ac.post("/api/jobs/999/run")
     assert response.status_code == 404
 
 @pytest.mark.asyncio
 async def test_update_job():
-    async with AsyncClient(app=app, base_url="http://test") as ac:
+    async with AsyncClient(transport=ASGITransport(app=app), base_url="http://test") as ac:
         # Create source
         source_resp = await ac.post("/api/sources/", json={
             "name": "Test Source",
@@ -169,7 +169,7 @@ async def test_update_job():
 
 @pytest.mark.asyncio
 async def test_create_schedule():
-    async with AsyncClient(app=app, base_url="http://test") as ac:
+    async with AsyncClient(transport=ASGITransport(app=app), base_url="http://test") as ac:
         # Create source
         source_resp = await ac.post("/api/sources/", json={
             "name": "Test Source",
@@ -202,18 +202,18 @@ async def test_create_schedule():
 
 @pytest.mark.asyncio
 async def test_get_job_not_found():
-    async with AsyncClient(app=app, base_url="http://test") as ac:
+    async with AsyncClient(transport=ASGITransport(app=app), base_url="http://test") as ac:
         response = await ac.get("/api/jobs/99999")
     assert response.status_code == 404
 
 @pytest.mark.asyncio
 async def test_update_job_not_found():
-    async with AsyncClient(app=app, base_url="http://test") as ac:
+    async with AsyncClient(transport=ASGITransport(app=app), base_url="http://test") as ac:
         response = await ac.put("/api/jobs/99999", json={"name": "Test"})
     assert response.status_code == 404
 
 @pytest.mark.asyncio
 async def test_delete_job_not_found():
-    async with AsyncClient(app=app, base_url="http://test") as ac:
+    async with AsyncClient(transport=ASGITransport(app=app), base_url="http://test") as ac:
         response = await ac.delete("/api/jobs/99999")
     assert response.status_code == 404
diff --git a/backend/tests/test_sources.py b/backend/tests/test_sources.py
index 7c9f511..d8f08ee 100644
--- a/backend/tests/test_sources.py
+++ b/backend/tests/test_sources.py
@@ -1,10 +1,10 @@
 import pytest
-from httpx import AsyncClient
+from httpx import AsyncClient, ASGITransport
 from app.main import app
 
 @pytest.mark.asyncio
 async def test_create_source():
-    async with AsyncClient(app=app, base_url="http://test") as ac:
+    async with AsyncClient(transport=ASGITransport(app=app), base_url="http://test") as ac:
         response = await ac.post("/api/sources/", json={
             "name": "Test Source",
             "type": "local",
@@ -18,7 +18,7 @@ async def test_create_source():
 
 @pytest.mark.asyncio
 async def test_list_sources():
-    async with AsyncClient(app=app, base_url="http://test") as ac:
+    async with AsyncClient(transport=ASGITransport(app=app), base_url="http://test") as ac:
         # Create source first
         await ac.post("/api/sources/", json={
             "name": "Test Source",
@@ -33,7 +33,7 @@ async def test_list_sources():
 
 @pytest.mark.asyncio
 async def test_get_source():
-    async with AsyncClient(app=app, base_url="http://test") as ac:
+    async with AsyncClient(transport=ASGITransport(app=app), base_url="http://test") as ac:
         create_resp = await ac.post("/api/sources/", json={
             "name": "Test Source",
             "type": "local",
@@ -47,7 +47,7 @@ async def test_get_source():
 
 @pytest.mark.asyncio
 async def test_delete_source():
-    async with AsyncClient(app=app, base_url="http://test") as ac:
+    async with AsyncClient(transport=ASGITransport(app=app), base_url="http://test") as ac:
         create_resp = await ac.post("/api/sources/", json={
             "name": "Delete Me",
             "type": "local",
@@ -59,13 +59,13 @@ async def test_delete_source():
     assert response.status_code == 200
     
     # Verify deletion
-    async with AsyncClient(app=app, base_url="http://test") as ac:
+    async with AsyncClient(transport=ASGITransport(app=app), base_url="http://test") as ac:
         get_resp = await ac.get(f"/api/sources/{source_id}")
     assert get_resp.status_code == 404
 
 @pytest.mark.asyncio
 async def test_update_source():
-    async with AsyncClient(app=app, base_url="http://test") as ac:
+    async with AsyncClient(transport=ASGITransport(app=app), base_url="http://test") as ac:
         create_resp = await ac.post("/api/sources/", json={
             "name": "Original Name",
             "type": "local",
@@ -82,18 +82,18 @@ async def test_update_source():
 
 @pytest.mark.asyncio
 async def test_get_source_not_found():
-    async with AsyncClient(app=app, base_url="http://test") as ac:
+    async with AsyncClient(transport=ASGITransport(app=app), base_url="http://test") as ac:
         response = await ac.get("/api/sources/99999")
     assert response.status_code == 404
 
 @pytest.mark.asyncio
 async def test_update_source_not_found():
-    async with AsyncClient(app=app, base_url="http://test") as ac:
+    async with AsyncClient(transport=ASGITransport(app=app), base_url="http://test") as ac:
         response = await ac.put("/api/sources/99999", json={"name": "Test"})
     assert response.status_code == 404
 
 @pytest.mark.asyncio
 async def test_delete_source_not_found():
-    async with AsyncClient(app=app, base_url="http://test") as ac:
+    async with AsyncClient(transport=ASGITransport(app=app), base_url="http://test") as ac:
         response = await ac.delete("/api/sources/99999")
     assert response.status_code == 404