`test_wasm_end_to_end_amm` is flaky

It looks like it failed [in this line](https://github.com/linera-io/linera-protocol/blob/2ce371bec8c7bac757becf75234c58be41fb34bb/linera-service/tests/linera_net_tests.rs#L3516) here:
https://github.com/linera-io/linera-protocol/actions/runs/23546020975/job/68546376946