Create TestAgentLogging

- create class to execute modular unittests 
- def setup for modular setup 
- objective to keep setup minimal , so that tests aren't bloated and fast to run
- Since most param have a set default , init of necessary condition is a valid and supportive op wrt test speed .

tests/agents/test_agent_logging.py

@@ -5,3 +5,20 @@ from datetime import datetime
 import unittest
 from swarms.schemas.agent_step_schemas import ManySteps, Step
 from swarms.structs.agent import Agent
+
+class TestAgentLogging(unittest.TestCase):
+    def setUp(self):
+        self.mock_tokenizer = MagicMock()
+        self.mock_tokenizer.count_tokens.return_value = 100
+        
+        self.mock_short_memory = MagicMock()
+        self.mock_short_memory.get_memory_stats.return_value = {"message_count": 2}
+        
+        self.mock_long_memory = MagicMock()
+        self.mock_long_memory.get_memory_stats.return_value = {"item_count": 5}
+        
+        self.agent = Agent(
+            tokenizer=self.mock_tokenizer,
+            short_memory=self.mock_short_memory,
+            long_term_memory=self.mock_long_memory
+        )