fix tests

pallets/authority-members/src/mock.rs

pallets/certification/src/mock.rs

pallets/distance/src/mock.rs

pallets/duniter-wot/src/mock.rs

pallets/identity/src/mock.rs

pallets/membership/src/mock.rs

pallets/offences/src/mock.rs

pallets/oneshot-account/src/mock.rs

pallets/quota/src/mock.rs

pallets/smith-members/src/mock.rs

pallets/universal-dividend/src/lib.rs

pallets/universal-dividend/src/mock.rs

runtime/gdev/tests/offences_tests.rs