fix: add metric name check for valid scores (#724)

* update metric_name

* fix some bugs

* add an evaluation in workflow

* add an evalution in runner

* fix ci

* test change

* fix CI

---------

Co-authored-by: TPLin22 <tplin2@163.com>
Co-authored-by: yuanteli <1957922024@qq.com>

rdagent/components/coder/data_science/ensemble/eval_tests/ensemble_test.txt

@@ -123,6 +123,7 @@ assert model_set_in_scores == set({{model_names}}).union({"ensemble"}), (
     f"The scores dataframe does not contain the correct model names as index.\ncorrect model names are: {{model_names}} + ['ensemble']\nscore_df is:\n{score_df}"
 )
 assert score_df.index.is_unique, "The scores dataframe has duplicate model names."
-assert len(score_df.columns) == 1, f"The scores dataframe should have exactly one column for the scores of the evaluation indicator, but has these columns: {score_df.columns.tolist()}"
+assert score_df.columns.tolist() == ["{{metric_name}}"], f"The column names of the scores dataframe should be ['{{metric_name}}'], but is '{score_df.columns.tolist()}'"
+
 
 print("Ensemble test end.")