In tests, error on deprecation warnings about python_multipart from starlette integrations

Author: musicinmybrain

tests/integrations/starlette/test_starlette.py

@@ -13,10 +13,16 @@
 
 from sentry_sdk import capture_message, get_baggage, get_traceparent
 from sentry_sdk.integrations.asgi import SentryAsgiMiddleware
-from sentry_sdk.integrations.starlette import (
-    StarletteIntegration,
-    StarletteRequestExtractor,
-)
+with warnings.catch_warnings():
+    # Error on deprecation-type warnings related to python_multipart, which are
+    # probably about migrating from "import multipart" to "import
+    # python_multipart".
+    for w in (PendingDeprecationWarning, DeprecationWarning):
+        warnings.filterwarnings("error", ".*python_multipart.*", category=w)
+    from sentry_sdk.integrations.starlette import (
+        StarletteIntegration,
+        StarletteRequestExtractor,
+    )
 from sentry_sdk.utils import parse_version
 
 import starlette