diff --git a/tests/integration/variant_blueprint/test_variant_manager.py b/tests/integration/variant_blueprint/test_variant_manager.py
index 4b066cdf73..a0e4a68108 100644
--- a/tests/integration/variant_blueprint/test_variant_manager.py
+++ b/tests/integration/variant_blueprint/test_variant_manager.py
@@ -243,33 +243,34 @@ def test_comments(client: TestClient, admin_access_token: str, variant_id: str)
     assert res.json() == comment
 
 
-def test_recursive_variant_tree(client: TestClient, admin_access_token: str):
+def test_recursive_variant_tree(client: TestClient, admin_access_token: str, base_study_id: str) -> None:
     admin_headers = {"Authorization": f"Bearer {admin_access_token}"}
-    base_study_res = client.post("/v1/studies?name=foo", headers=admin_headers)
-    base_study_id = base_study_res.json()
-    parent_id = base_study_res.json()
-    for k in range(150):
-        res = client.post(f"/v1/studies/{base_study_id}/variants?name=variant_{k}", headers=admin_headers)
+    parent_id = base_study_id
+    for k in range(200):
+        res = client.post(
+            f"/v1/studies/{base_study_id}/variants",
+            headers=admin_headers,
+            params={"name": f"variant_{k}"},
+        )
         base_study_id = res.json()
+
     # Asserts that we do not trigger a Recursive Exception
     res = client.get(f"/v1/studies/{parent_id}/variants", headers=admin_headers)
-    assert res.status_code == 200
+    assert res.status_code == 200, res.json()
 
 
-def test_outputs(client: TestClient, admin_access_token: str, tmp_path: str) -> None:
+def test_outputs(client: TestClient, admin_access_token: str, variant_id: str, tmp_path: str) -> None:
     # =======================
     #  SET UP
     # =======================
 
     admin_headers = {"Authorization": f"Bearer {admin_access_token}"}
-    res = client.post(f"/v1/studies?name=foo", headers=admin_headers)
-    parent_id = res.json()
-    res = client.post(f"/v1/studies/{parent_id}/variants?name=variant_foo", headers=admin_headers)
-    variant_id = res.json()
 
     # Only done to generate the variant folder
     res = client.post(f"/v1/launcher/run/{variant_id}", headers=admin_headers)
+    res.raise_for_status()
     job_id = res.json()["job_id"]
+
     status = client.get(f"/v1/launcher/jobs/{job_id}", headers=admin_headers).json()["status"]
     while status != "failed":
         time.sleep(0.2)
@@ -277,31 +278,42 @@ def test_outputs(client: TestClient, admin_access_token: str, tmp_path: str) ->
 
     # Import an output to the study folder
     output_path_zip = ASSETS_DIR / "output_adq.zip"
-    client.post(
+    res = client.post(
         f"/v1/studies/{variant_id}/output",
         headers=admin_headers,
         files={"output": io.BytesIO(output_path_zip.read_bytes())},
     )
+    res.raise_for_status()
 
     # =======================
     #  ASSERTS GENERATING THE VARIANT DOES NOT `HIDE` OUTPUTS FROM THE ENDPOINT
     # =======================
 
     # Get output
-    res = client.get(f"/v1/studies/{variant_id}/outputs", headers=admin_headers).json()
-    assert len(res) == 1
+    res = client.get(f"/v1/studies/{variant_id}/outputs", headers=admin_headers)
+    assert res.status_code == 200, res.json()
+    outputs = res.json()
+    assert len(outputs) == 1
 
     # Generates the study
-    res = client.put(f"/v1/studies/{variant_id}/generate?denormalize=false&from_scratch=true", headers=admin_headers)
+    res = client.put(
+        f"/v1/studies/{variant_id}/generate",
+        headers=admin_headers,
+        params={"denormalize": False, "from_scratch": True},
+    )
+    res.raise_for_status()
     task_id = res.json()
+
     # Wait for task completion
     res = client.get(f"/v1/tasks/{task_id}", headers=admin_headers, params={"wait_for_completion": True})
-    assert res.status_code == 200
+    res.raise_for_status()
     task_result = TaskDTO.parse_obj(res.json())
     assert task_result.status == TaskStatus.COMPLETED
     assert task_result.result is not None
     assert task_result.result.success
 
     # Get outputs again
-    res = client.get(f"/v1/studies/{variant_id}/outputs", headers=admin_headers).json()
-    assert len(res) == 1
+    res = client.get(f"/v1/studies/{variant_id}/outputs", headers=admin_headers)
+    assert res.status_code == 200, res.json()
+    outputs = res.json()
+    assert len(outputs) == 1