_, err = memory.Append("echo", memoryLongText(0))
require.NoError(t, err)
require.ErrorIs(t, memory.Settle(t.Context()), errMemoryUnsettled)
_, err = memory.Append("echo", memoryLongText(0))
require.NoError(t, err)
require.ErrorIs(t, memory.Settle(t.Context()), errMemoryUnsettled)