Fix: Update import sorting and implement abstract methods

Co-Authored-By: Joe Moura <joao@crewai.com>

tests/utilities/test_embedding_configurator.py

@@ -1,8 +1,10 @@
 import importlib
 import sys
-from unittest.mock import patch, MagicMock
+from unittest.mock import MagicMock, patch
+
 import pytest
 
+
 class TestEmbeddingConfiguratorImports:
     """Test that ChromaDB is not imported at module level."""