fix unit testing case for package gtrace
@@ -54,7 +54,7 @@ func TestNewCarrier(t *testing.T) {
ctx, _ = oteltest.DefaultTracer().Start(ctx, "inject")
carrier1 := gtrace.NewCarrier()
otel.GetTextMapPropagator().Inject(ctx, carrier1)
- t.Assert(carrier1.String(), `{"traceparent":"00-4bf92f3577b34da6a3ce929d0e0e4736-0000000000000002-01","tracestate":""}`)
+ t.Assert(carrier1.String(), `{"traceparent":"00-4bf92f3577b34da6a3ce929d0e0e4736-0000000000000002-01"}`)
ctx = otel.GetTextMapPropagator().Extract(ctx, carrier1)
gotSc := trace.SpanContextFromContext(ctx)
