Fix docker-tests assumption by Postgres-Sqlalchemy case about scope of metrics (#4258)

* Fix postgres-sqlalchemy docker-test assumption about metrics

* Changelog

CHANGELOG.md

@@ -113,6 +113,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
   ([#4078](https://github.com/open-telemetry/opentelemetry-python-contrib/pull/4171))
 - `opentelemetry-instrumentation-aiohttp-server`: fix HTTP error inconsistencies
   ([#4175](https://github.com/open-telemetry/opentelemetry-python-contrib/pull/4175))
+- `opentelemetry-docker-tests` Fix docker-tests assumption by Postgres-Sqlalchemy case about scope of metrics
+  ([#4258](https://github.com/open-telemetry/opentelemetry-python-contrib/pull/4258))
 
 ### Breaking changes
 

tests/opentelemetry-docker-tests/tests/sqlalchemy_tests/test_postgres.py

@@ -23,6 +23,8 @@ from opentelemetry.semconv.trace import SpanAttributes
 
 from .mixins import SQLAlchemyTestMixin
 
+SCOPE = "opentelemetry.instrumentation.sqlalchemy"
+
 POSTGRES_CONFIG = {
     "host": "127.0.0.1",
     "port": int(os.getenv("TEST_POSTGRES_PORT", "5432")),
@@ -117,7 +119,7 @@ class PostgresMetricsTestCase(PostgresTestCase):
             POSTGRES_CONFIG["port"],
             self.SQL_DB,
         )
-        metrics = self.get_sorted_metrics()
+        metrics = self.get_sorted_metrics(SCOPE)
         self.assertEqual(len(metrics), 1)
         self.assert_metric_expected(
             metrics[0],