Enable NodeJS client side stats tests (#7252)

Author: mabdinur

manifests/nodejs.yml

@@ -99,6 +99,7 @@ refs:
   - &ref_5_107_0 '>=5.107.0'
   - &ref_5_109_0 '>=5.109.0'
   - &ref_5_110_0 '>=5.110.0'
+  - &ref_5_111_0 '>=5.111.0'
   - &ref_6_0_0 '>=6.0.0-pre'
 manifest:
   tests/ai_guard/test_ai_guard_sdk.py::Test_AIGuardEvent_Tag:
@@ -2193,8 +2194,7 @@ manifest:
   tests/parametric/test_otel_span_methods.py::Test_Otel_Span_Methods::test_otel_start_span: missing_feature (New operation name mapping not yet implemented)
   tests/parametric/test_otel_span_with_baggage.py::Test_Otel_Span_With_Baggage: *ref_5_32_0
   tests/parametric/test_otel_tracer.py::Test_Otel_Tracer::test_otel_force_flush: missing_feature (Not implemented)
-  tests/parametric/test_otlp_trace_metrics.py: missing_feature
-  tests/parametric/test_otlp_trace_metrics.py::Test_FR02_Mutual_Exclusion::test_fr02_4_native_stats_no_otlp: missing_feature (nodejs has not implemented native client-side /v0.6/stats computation)
+  tests/parametric/test_otlp_trace_metrics.py: *ref_5_111_0
   tests/parametric/test_otlp_trace_metrics.py::Test_FR05_Sampling_Independence::test_fr05_1_metrics_computed_before_sampling: missing_feature (nodejs does not drop sampled-out traces when client-side stats are computed)
   tests/parametric/test_otlp_trace_metrics.py::Test_FR06_Otel_Resource_Attributes::test_fr06_10_hostname: irrelevant (DD_HOSTNAME is only supported in Python)
   tests/parametric/test_otlp_trace_metrics.py::Test_FR08_Datadog_Attributes::test_fr08_5_top_level_child_different_service: missing_feature (nodejs does not tag child spans with a different service than their parent as top-level)

tests/parametric/test_otlp_trace_metrics.py

@@ -1155,6 +1155,40 @@ def test_fr08_8_process_tags(
             f"Expected at least one datadog.<process-tag> resource attribute, got: {list(resource_attrs)}"
         )
 
+    @pytest.mark.parametrize("library_env", [{**DEFAULT_ENVVARS}])
+    def test_fr08_9_top_level_not_mixed_with_measured(
+        self,
+        otlp_trace_metrics_library_env: dict[str, str],  # noqa: ARG002
+        test_agent: TestAgentAPI,
+        test_library: APMLibrary,
+    ):
+        """A top-level and a non-top-level span with identical dimensions bucket separately.
+
+        The measured child (selected per FR04) shares every aggregation dimension with its top-level root,
+        yet the two must yield separate data points -- one datadog.span.top_level=true, one false -- rather
+        than being merged into a single bucket mislabeled false.
+        """
+        with test_library as t:
+            with (
+                t.dd_start_span(name="web.request", service=SERVICE, typestr="web") as parent,
+                t.dd_start_span(name="web.request", service=SERVICE, typestr="web", parent_id=parent.span_id) as child,
+            ):
+                child.set_metric(SPAN_MEASURED_KEY, 1)
+            t.dd_flush()
+
+        metrics = test_agent.wait_for_num_otlp_metrics(num=1)
+        points = [
+            dp
+            for dp in _duration_data_points(metrics)
+            if _data_point_attrs(dp).get("datadog.operation.name") == "web.request"
+        ]
+        top_level_flags = {_data_point_attrs(dp).get("datadog.span.top_level") for dp in points}
+        assert top_level_flags == {True, False}, (
+            "Top-level and non-top-level measured spans sharing the same aggregation dimensions must bucket "
+            "separately, each keeping its datadog.span.top_level flag; expected both a true and a false data "
+            f"point, got: {[_data_point_attrs(dp) for dp in points]}"
+        )
+
 
 @scenarios.parametric
 @features.client_side_stats_supported