@Test
public void testProviderPressure() {

    Metadata metadata = new Metadata();
    metadata.put(HEAD_KEY_TRAFFIC_TYPE, "pressure");
    Context context = Context.current().withValue(TracingContextKey.getKeyMetadata(), metadata);
    context.attach();
    PressureMarkTransformFilter filter = new PressureMarkTransformFilter();
    filter.invoke(invoker, request);
    SofaTracerSpan currentSpan = SofaTraceContextHolder.getSofaTraceContext().getCurrentSpan();
    Assert.assertTrue(TracerUtils.isLoadTest(currentSpan));
}