diff --git a/lib/galaxy_test/api/test_workflows.py b/lib/galaxy_test/api/test_workflows.py
index 4f8469aced6..2d3b73bb3b1 100644
--- a/lib/galaxy_test/api/test_workflows.py
+++ b/lib/galaxy_test/api/test_workflows.py
@@ -1544,7 +1544,9 @@ steps:
             "trs_tool_id": "#workflow/github.com/jmchilton/galaxy-workflow-dockstore-example-1/mycoolworkflow",
             "trs_version_id": "master",
         }
-        workflow_id = self._post("workflows", data=trs_payload).json()["id"]
+        response = self._post("workflows", data=trs_payload)
+        response.raise_for_status()
+        workflow_id = response.json()["id"]
         original_workflow = self._download_workflow(workflow_id)
         assert "Test Workflow" in original_workflow["name"]
         assert original_workflow.get("source_metadata").get("trs_tool_id") == trs_payload["trs_tool_id"]
@@ -1571,7 +1573,9 @@ steps:
             "%23workflow%2Fgithub.com%2Fjmchilton%2Fgalaxy-workflow-dockstore-example-1%2Fmycoolworkflow/"
             "versions/master",
         }
-        workflow_id = self._post("workflows", data=trs_payload).json()["id"]
+        response = self._post("workflows", data=trs_payload)
+        response.raise_for_status()
+        workflow_id = response.json()["id"]
         original_workflow = self._download_workflow(workflow_id)
         assert "Test Workflow" in original_workflow["name"]
         assert (
@@ -1604,7 +1608,9 @@ steps:
             "archive_source": "trs_tool",
             "trs_url": "https://workflowhub.eu/ga4gh/trs/v2/tools/109/versions/5",
         }
-        workflow_id = self._post("workflows", data=trs_payload).json()["id"]
+        response = self._post("workflows", data=trs_payload)
+        response.raise_for_status()
+        workflow_id = response.json()["id"]
         original_workflow = self._download_workflow(workflow_id)
         assert "COVID-19: variation analysis reporting" in original_workflow["name"]
         assert original_workflow.get("source_metadata").get("trs_tool_id") == "109"