Update test results directory structure and enhance Docker configurations

- Modified `.gitignore` to reflect the new path for test results.
- Updated `docker-compose.test.yml` to mount the correct test results directory.
- Adjusted `Dockerfile.test` to set the `PYTHONPATH` and ensure test results are saved in the updated location.
- Added `boto3` and `netron` to `requirements-test.txt` to support new functionalities.
- Updated `pytest.ini` to include the new `pythonpath` for test discovery.

These changes streamline the testing process and ensure compatibility with the updated directory structure.

tests/test_training_e2e.py

@@ -1,24 +1,10 @@
-import sys
-import types
-import importlib
 import shutil
-from os import path as osp
+from os import path
 from pathlib import Path
 
 import pytest
-
-for _n in ("boto3", "netron", "requests"):
-    if _n not in sys.modules:
-        sys.modules[_n] = types.ModuleType(_n)
-
-for _k in [k for k in sys.modules if k == "ultralytics" or k.startswith("ultralytics.")]:
-    del sys.modules[_k]
 from ultralytics import YOLO
 
-for _m in ("exports", "train"):
-    if _m in sys.modules:
-        importlib.reload(sys.modules[_m])
-
 import constants as c
 import train as train_mod
 import exports as exports_mod
@@ -56,7 +42,7 @@ def e2e_result(tmp_path_factory):
     exports_mod.export_onnx(c.config.current_pt_model)
     exports_mod.export_coreml(c.config.current_pt_model)
 
-    today_ds = osp.join(c.config.datasets_dir, train_mod.today_folder)
+    today_ds = path.join(c.config.datasets_dir, train_mod.today_folder)
 
     yield {
         "today_dataset": today_ds,