refactor tests; remove unused result variable from agent run calls in test_agent and test_web_agent

Author: dcloud347

tests/test_agent.py

@@ -62,7 +62,7 @@ def test_tool_not_found_produces_error_in_tool_message():
     mock_llm = make_mock_llm(step1, step2)
     agent = Agent(llm=mock_llm, tools=[], max_steps=10)
 
-    result = agent.run(Content(text="task"))
+    agent.run(Content(text="task"))
     # Find tool message in history
     tool_msgs = [m for m in agent._messages if isinstance(m, ToolMessage)]
     assert len(tool_msgs) == 1
@@ -118,7 +118,7 @@ def spy_summarize(tool_name, arguments, output):
 
     monkeypatch.setattr(agent, "_summarize_output", spy_summarize)
 
-    result = agent.run(Content(text="task"))
+    agent.run(Content(text="task"))
     assert len(summarize_called) == 1
     assert summarize_called[0][0] == "big"
 

tests/test_web_agent.py

@@ -96,7 +96,7 @@ def test_unknown_tool_name_produces_error_content():
 
     agent = make_web_agent([step1, step2])
 
-    result = agent.run(Content(text="task"))
+    agent.run(Content(text="task"))
     tool_msgs = [m for m in agent._messages if isinstance(m, ToolMessage)]
     assert len(tool_msgs) == 1
     assert "unknown tool" in tool_msgs[0].tool_result.content.text