Metric names issue tune_sklearn.tune_basesearch.TuneBaseSearchCV._format_results

[zhu0619]

In tune_sklearn/tune_basesearch.py:603, the way to get the column names of the given metric names aren't robust for customized scoring function and metric name, see below
df[[ col for col in dfs[0].columns if "split" in col and "test_%s" % name in col ]].to_numpy() for df in finished
If metric names are 'metric 1', 'metric 11', the result of metric 11 will also be added in 'metric 1'.
In this case, maybe use col.endswith("test_%s" % name) is better.

[richardliaw]

Seems to be a duplicate of #117 ?