Adding tests, updating changelog

Author: hectorhdzg

CHANGELOG.md

@@ -19,7 +19,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Added
 - `opentelemetry-instrumentation-aiohttp-client` Add support for HTTP metrics
-  ([#](https://github.com/open-telemetry/opentelemetry-python-contrib/pull/))
+  ([#3517](https://github.com/open-telemetry/opentelemetry-python-contrib/pull/3517))
 
 
 ## Version 1.33.0/0.54b0 (2025-05-09)

instrumentation/opentelemetry-instrumentation-aiohttp-client/tests/test_aiohttp_client_integration.py

@@ -30,6 +30,8 @@
 from opentelemetry import trace as trace_api
 from opentelemetry.instrumentation import aiohttp_client
 from opentelemetry.instrumentation._semconv import (
+    HTTP_DURATION_HISTOGRAM_BUCKETS_NEW,
+    HTTP_DURATION_HISTOGRAM_BUCKETS_OLD,
     OTEL_SEMCONV_STABILITY_OPT_IN,
     _OpenTelemetrySemanticConventionStability,
     _StabilityMode,
@@ -164,6 +166,10 @@ def test_status_codes(self):
                         HTTP_METHOD: "GET",
                     },
                 )
+                self.assertEqual(
+                    duration_data_point.explicit_bounds,
+                    HTTP_DURATION_HISTOGRAM_BUCKETS_OLD,
+                )
                 index += 1
 
     def test_status_codes_new_semconv(self):
@@ -206,6 +212,10 @@ def test_status_codes_new_semconv(self):
                         duration_data_point.attributes.get(ERROR_TYPE),
                         str(status_code.value),
                     )
+                self.assertEqual(
+                    duration_data_point.explicit_bounds,
+                    HTTP_DURATION_HISTOGRAM_BUCKETS_NEW,
+                )
                 index += 1
 
     def test_status_codes_both_semconv(self):