errFatal(err)
		if string(resp) != testPayload {
			t.Errorf("want %q, got %q", testPayload, string(resp))
		}
		t.Log("Roundtrip:", time.Since(start))
	})

	t.Run("localToRemoteErr", func(t *testing.T) {
		const testPayload = "Hello Grid World!"
		start := time.Now()
		resp, err := remoteConn.Request(t.Context(), handlerTest2, []byte(testPayload))
		t.Log("Roundtrip:", time.Since(start))