Migrate smrl-treasury and srml-upgrade-key to the 2018 edition (#1725)

substrate/srml/consensus/src/mock.rs

@@ -19,6 +19,7 @@
 #![cfg(test)]
 
 use primitives::{BuildStorage, traits::IdentityLookup, testing::{Digest, DigestItem, Header, UintAuthorityId}};
+use srml_support::impl_outer_origin;
 use runtime_io;
 use substrate_primitives::{H256, Blake2Hasher};
 use crate::{GenesisConfig, Trait, Module};