#150: Modify existing test to actually point to an update by ID endp…

…oint

- I got the function names mixed up when originally doing that function...

test/icat/test_standard_endpoints.py

@@ -1,6 +1,5 @@
 import pytest
 
-from datagateway_api.common.exceptions import BadRequestError
 from datagateway_api.src.main import api
 from datagateway_api.src.main import app
 from datagateway_api.src.resources.entities.entity_map import endpoints
@@ -249,17 +248,18 @@ def test_valid_update_with_id(
         expected_summary = "Test Summary"
 
         update_data_json = {
-            "id": single_investigation_test_data[0]["id"],
             "doi": expected_doi,
             "summary": expected_summary,
         }
         single_investigation_test_data[0]["doi"] = expected_doi
         single_investigation_test_data[0]["summary"] = expected_summary
 
         test_response = flask_test_app.patch(
-            "/investigations", headers=valid_credentials_header, json=update_data_json,
+            f"/investigations/{single_investigation_test_data[0]['id']}",
+            headers=valid_credentials_header,
+            json=update_data_json,
         )
-        response_json = prepare_icat_data_for_assertion(test_response.json)
+        response_json = prepare_icat_data_for_assertion([test_response.json])
 
         assert response_json == single_investigation_test_data