Update docs/tests

Author: sarth6

docs/builtin-tools.md

@@ -334,7 +334,9 @@ agent = Agent('anthropic:claude-sonnet-4-0', builtin_tools=[UrlContextTool()])
 
 result = agent.run_sync('What is the first sentence on https://ai.pydantic.dev?')
 print(result.output)
-#> Pydantic AI is a Python agent framework designed to make it less painful to build production grade applications with Generative AI.
+"""
+Pydantic AI is a Python agent framework designed to make it less painful to build production grade applications with Generative AI.
+"""
 ```
 
 _(This example is complete, it can be run "as is")_

tests/test_examples.py

@@ -526,6 +526,8 @@ async def call_tool(
     'Tell me about the pydantic/pydantic-ai repo.': 'The pydantic/pydantic-ai repo is a Python agent framework for building Generative AI applications.',
     'What do I have on my calendar today?': "You're going to spend all day playing with Pydantic AI.",
     'Write a long story about a cat': 'Once upon a time, there was a curious cat named Whiskers who loved to explore the world around him...',
+    'What is the first sentence on https://ai.pydantic.dev?': 'Pydantic AI is a Python agent framework designed to make it less painful to build production grade applications with Generative AI.',
+    'What is this? https://ai.pydantic.dev': 'A Python agent framework for building Generative AI applications.',
 }
 
 tool_responses: dict[tuple[str, str], str] = {