Add utils.ops and nn.modules to tests (#4484)

tests/conftest.py

@@ -6,6 +6,7 @@ from pathlib import Path
 import pytest
 
 from ultralytics.utils import ROOT
+from ultralytics.utils.torch_utils import init_seeds
 
 TMP = (ROOT / '../tests/tmp').resolve()  # temp directory for test files
 
@@ -32,6 +33,7 @@ def pytest_sessionstart(session):
     """
     Called after the 'Session' object has been created and before performing test collection.
     """
+    init_seeds()
     shutil.rmtree(TMP, ignore_errors=True)  # delete any existing tests/tmp directory
     TMP.mkdir(parents=True, exist_ok=True)  # create a new empty directory