test(fastapi): Skip body content test on Starlette < 0.21

FastAPI 0.79.1 pulls in Starlette 0.19.1, whose `TestClient` is built on
`requests` and does not accept the `content` kwarg. Match the skipif
already in place for the analogous Starlette test so CI on older
FastAPI versions passes.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

Author: ericapisani

tests/integrations/fastapi/test_fastapi.py

@@ -6,6 +6,7 @@
 from unittest import mock
 
 import fastapi
+import starlette
 from fastapi import FastAPI, HTTPException, Request
 from fastapi.testclient import TestClient
 from fastapi.middleware.trustedhost import TrustedHostMiddleware
@@ -20,6 +21,7 @@
 
 
 FASTAPI_VERSION = parse_version(fastapi.__version__)
+STARLETTE_VERSION = parse_version(starlette.__version__)
 
 from tests.integrations.conftest import parametrize_test_configurable_status_codes
 from tests.integrations.starlette import test_starlette
@@ -299,6 +301,10 @@ async def _read_json(request):
     assert "hello" in attr
 
 
+@pytest.mark.skipif(
+    STARLETTE_VERSION < (0, 21),
+    reason="Requires Starlette >= 0.21, because earlier versions use a requests-based TestClient which does not support the 'content' kwarg",
+)
 @pytest.mark.parametrize("middleware_spans", [False, True])
 def test_request_body_data_annotated_value_top_level_span_streaming(
     sentry_init, capture_items, middleware_spans