Synchronize the results fields after issue #5826

The previously reported issue at

avocado-framework/avocado#5826

about inconsistency in the data fields collected for current test
results and the ones from previous json results was followed by a
pull request #5826

avocado-framework/avocado#5866

which now provides the changes needed to get rid of a local todo.

avocado_i2n/plugins/runner.py

@@ -250,14 +250,11 @@ async def run_test_node(self, node: TestNode, status_timeout: int = 10) -> bool:
                     )
                 )
                 if len(node.results) > 0:
-                    # TODO: avocado's choice of result attributes is not uniform for past and current results
-                    def get_duration(x: dict[str, str]) -> float:
-                        return float(x.get("time_elapsed", x["time"]))
 
-                    duration = get_duration(test_result)
+                    duration = float(test_result["time_elapsed"])
                     max_allowed = max(
                         [
-                            get_duration(r)
+                            float(r["time_elapsed"])
                             for r in node.results
                             if r["status"] == "PASS"
                         ],