Fixes snapshot in test

Author: desertaxle

tests/test_prefect.py

@@ -299,7 +299,9 @@ async def run_complex_agent() -> Response:
                                             children=[
                                                 BasicSpan(content='ctx.run_step=1'),
                                                 BasicSpan(
-                                                    content='{"result":{"tool_name":"get_country","content":"Mexico","tool_call_id":"call_rI3WKPYvVwlOgCGRjsPP2hEx","metadata":null,"timestamp":"2025-10-13T17:36:59.340579+00:00","part_kind":"tool-return"},"content":null,"event_kind":"function_tool_result"}'
+                                                    content=IsStr(
+                                                        regex=r'\{"result":\{"tool_name":"get_country","content":"Mexico","tool_call_id":"call_rI3WKPYvVwlOgCGRjsPP2hEx","metadata":null,"timestamp":"[^"]+","part_kind":"tool-return"\},"content":null,"event_kind":"function_tool_result"\}'
+                                                    )
                                                 ),
                                             ],
                                         ),
@@ -372,7 +374,9 @@ async def run_complex_agent() -> Response:
                                             children=[
                                                 BasicSpan(content='ctx.run_step=2'),
                                                 BasicSpan(
-                                                    content='{"result":{"tool_name":"get_product_name","content":"Pydantic AI","tool_call_id":"call_SkGkkGDvHQEEk0CGbnAh2AQw","metadata":null,"timestamp":"2025-10-13T17:36:59.407064+00:00","part_kind":"tool-return"},"content":null,"event_kind":"function_tool_result"}'
+                                                    content=IsStr(
+                                                        regex=r'\{"result":\{"tool_name":"get_product_name","content":"Pydantic AI","tool_call_id":"call_SkGkkGDvHQEEk0CGbnAh2AQw","metadata":null,"timestamp":"[^"]+","part_kind":"tool-return"\},"content":null,"event_kind":"function_tool_result"\}'
+                                                    )
                                                 ),
                                             ],
                                         ),
@@ -390,7 +394,9 @@ async def run_complex_agent() -> Response:
                                             children=[
                                                 BasicSpan(content='ctx.run_step=2'),
                                                 BasicSpan(
-                                                    content='{"result":{"tool_name":"get_weather","content":"sunny","tool_call_id":"call_NS4iQj14cDFwc0BnrKqDHavt","metadata":null,"timestamp":"2025-10-13T17:36:59.442214+00:00","part_kind":"tool-return"},"content":null,"event_kind":"function_tool_result"}'
+                                                    content=IsStr(
+                                                        regex=r'\{"result":\{"tool_name":"get_weather","content":"sunny","tool_call_id":"call_NS4iQj14cDFwc0BnrKqDHavt","metadata":null,"timestamp":"[^"]+","part_kind":"tool-return"\},"content":null,"event_kind":"function_tool_result"\}'
+                                                    )
                                                 ),
                                             ],
                                         ),