Fix lint issues in test script

- Use crew variable to avoid F841 unused variable error
- Remove API key logging to address CodeQL security alert
- Make path portable using os.path.join

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

test_tracing_auth.py

@@ -3,44 +3,49 @@
 Test script for issue #3559 - TraceBatchManager authentication handling
 """
 
+import os
 import sys
-sys.path.insert(0, '/home/ubuntu/repos/crewAI/src')
+
+sys.path.insert(0, os.path.join(os.path.dirname(__file__), 'src'))
 
 def test_tracing_auth_issue():
     """Test that tracing authentication issue is fixed"""
-    
+
     try:
-        from crewai.events.listeners.tracing.trace_batch_manager import TraceBatchManager
-        from crewai.cli.authentication.token import AuthError
         from unittest.mock import patch
-        
+
+        from crewai.cli.authentication.token import AuthError
+        from crewai.events.listeners.tracing.trace_batch_manager import (
+            TraceBatchManager,
+        )
+
         print("Test 1: TraceBatchManager creation without authentication")
-        
+
         with patch(
             "crewai.events.listeners.tracing.trace_batch_manager.get_auth_token",
             side_effect=AuthError("No token found, make sure you are logged in")
         ):
             batch_manager = TraceBatchManager()
-            print(f"✓ TraceBatchManager created successfully with empty API key: '{batch_manager.plus_api.api_key}'")
-            
+            print("✓ TraceBatchManager created successfully with empty API key")
+
             batch = batch_manager.initialize_batch({"user_id": "test"}, {"crew_name": "test"})
             if batch is not None:
                 print(f"✓ Batch initialized successfully: {batch.batch_id}")
             else:
                 print("✗ Batch initialization returned None")
                 return False
-                
+
     except Exception as e:
         print(f"✗ TraceBatchManager test failed: {e}")
         import traceback
         traceback.print_exc()
         return False
-    
+
     try:
-        from crewai import Agent, Crew, Task, LLM
-        
+        from crewai import LLM, Agent, Crew, Task
+
         print("\nTest 2: Crew creation without authentication")
-        
+
         with patch(
             "crewai.events.listeners.tracing.trace_batch_manager.get_auth_token",
             side_effect=AuthError("No token found, make sure you are logged in")
@@ -51,27 +56,27 @@ def test_tracing_auth_issue():
                 backstory="A test agent for reproducing the bug",
                 llm=LLM(model="gpt-4o-mini", api_key="fake-key")
             )
-            
+
             task = Task(
                 description="Say hello world",
                 expected_output="A greeting message",
                 agent=agent
             )
-            
+
             crew = Crew(
                 agents=[agent],
                 tasks=[task],
                 verbose=False
             )
-            
-            print("✓ Crew created successfully without authentication errors")
-            
+
+            print(f"✓ Crew created successfully without authentication errors: {len(crew.agents)} agents, {len(crew.tasks)} tasks")
+
     except Exception as e:
         print(f"✗ Crew creation test failed: {e}")
         import traceback
         traceback.print_exc()
         return False
-    
+
     return True
 
 if __name__ == "__main__":