#1566 - Refactored the test_train_eval_episode_steps.py to sue TempPrimaiteSession.

- Fixed all errors that were caused b fixing the above.
- Some tests still fail, these are for SS to fix.
- Dropped the old run_generic stuff from conftest.py

src/primaite/utils/session_output_reader.py

@@ -16,5 +16,6 @@ def av_rewards_dict(av_rewards_csv_file: Union[str, Path]) -> Dict[int, float]:
     :param av_rewards_csv_file: The average rewards per episode csv file path.
     :return: The average rewards per episode cdv as a dict.
     """
-    d = pl.read_csv(av_rewards_csv_file).to_dict()
-    return {v: d["Average Reward"][i] for i, v in enumerate(d["Episode"])}
+    df = pl.read_csv(av_rewards_csv_file).to_dict()
+
+    return {v: df["Average Reward"][i] for i, v in enumerate(df["Episode"])}