Flaky aiohttp-server test

___________________ test_non_global_tracer_provider[tracer0] ___________________

tracer = (<opentelemetry.sdk.trace.TracerProvider object at 0x7fcd595da2f0>, <opentelemetry.sdk.trace.export.in_memory_span_exporter.InMemorySpanExporter object at 0x7fcd595d8640>)
server_fixture = (<aiohttp.test_utils.TestServer object at 0x7fcd5905cf10>, <Application 0x7fcd5905fa60>)
aiohttp_client = <function aiohttp_client.<locals>.go at 0x7fcd58e052d0>

    @pytest.mark.asyncio
    @pytest.mark.parametrize(
        "tracer",
        [
            TestBase().create_tracer_provider(
                sampler=ParentBased(TraceIdRatioBased(0.05))
            )
        ],
    )
    async def test_non_global_tracer_provider(
        tracer,
        server_fixture,
        aiohttp_client,
    ):
        n_requests = 1000
        collection_ratio = 0.05
        n_expected_trace_ids = n_requests * collection_ratio
    
        _, memory_exporter = tracer
        server, _ = server_fixture
    
        assert len(memory_exporter.get_finished_spans()) == 0
    
        client = await aiohttp_client(server)
        for _ in range(n_requests):
            await client.get("/test-path")
    
        trace_ids = {
            span.context.trace_id
            for span in memory_exporter.get_finished_spans()
            if span.context is not None
        }
>       assert (
            0.5 * n_expected_trace_ids
            <= len(trace_ids)
            <= 1.5 * n_expected_trace_ids
        )
E       assert 76 <= (1.5 * 50.0)
E        +  where 76 = len({2870422772196705649903001175704674312, 5236962977604931392781393493980307814, 9166974748134247912278532743094285373, 11186596335564230688763845256640643026, 17107527909052643297455219803861083764, 19284384784456314131277395680413534400, ...})

instrumentation/opentelemetry-instrumentation-aiohttp-server/tests/test_aiohttp_server_integration.py:451: AssertionError

Start with instrumentation/opentelemetry-instrumentation-aiohttp-server/tests/test_aiohttp_server_integration.py, especially test_non_global_tracer_provider around line 451, and run the test repeatedly to reproduce the failure. Inspect how the 1,000 requests and sampling assertion are exercised; done means the test reliably validates the expected sampling behavior without intermittent failures.