synctest.Wait()
require.NoError(t, test.whatsapp.inbox.deliver(t.Context(), test.loop, test.whatsapp.link(), false))
require.Equal(t, 1, test.loop.memory.Len())
synctest.Wait()
require.NoError(t, test.whatsapp.inbox.deliver(t.Context(), test.loop, test.whatsapp.link(), false))
require.Equal(t, 1, test.loop.memory.Len())