tests: misc logic updates - 5

Author: ric-evans

tests/integration/test_rest_routes.py

@@ -805,11 +805,7 @@ async def _after_scan_start_logic(
 
     # wait backlogger to request to ewms
     await asyncio.sleep(int(os.environ["SCAN_BACKLOG_RUNNER_SHORT_DELAY"]) * 2)  # extra
-    ewms_workflow_id = (
-        await rc.request(
-            "GET", f"/scan/{scan_id}", {"manifest_projection": ["ewms_workflow_id"]}
-        )
-    )["ewms_workflow_id"]
+    ewms_workflow_id = (await rc.request("GET", f"/scan/{scan_id}"))["ewms_workflow_id"]
     assert RE_UUID4HEX.fullmatch(ewms_workflow_id)
     # TODO: assert the EWMS request is sent (store in dummy ewms, and query here; or assert the call?)