Governance integration tests #678

Job	Run time
Slither	3m 10s
Get Echidna test names	5s
Lint & Test	5m 42s
Check storage layout (contracts/legacy/ReserveSpenderMultiSig.sol:ReserveSpenderMultiSig)	19s
Check storage layout (contracts/legacy/StableToken.sol:StableToken)	18s
Check storage layout (contracts/legacy/Exchange.sol:Exchange)	19s
Check storage layout (contracts/legacy/GrandaMento.sol:GrandaMento)	18s
Check storage layout (contracts/swap/Broker.sol:Broker)	34s
Check storage layout (contracts/swap/BiPoolManager.sol:BiPoolManager)	22s
Check storage layout (contracts/swap/Reserve.sol:Reserve)	34s
Check storage layout (contracts/oracles/BreakerBox.sol:BreakerBox)	19s
Check storage layout (contracts/oracles/SortedOracles.sol:SortedOracles)	18s
Check storage layout (contracts/tokens/StableTokenV2.sol:StableTokenV2)	35s
Run echidna tests (EchidnaFixidityLib)	1m 49s
Run echidna tests (EchidnaStableToken)	3m 32s
	18m 14s

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