chore: add additional testcases for fswap (#1415)

* chore: add more test for grpc_query

* chore: add more test for config and msg validation

* chore: add more test for genesis-related things

* chore: add TestMsgSetSwap for msg server

* chore: add more test for keeper

* chore: fix for lint

* chore: update changelog

* chore: rename kai to kei

* chore: introduce stubGenesisState func for DRY

* chore: remove unnecessary code

* chore: remove unnecessary code

CHANGELOG.md

@@ -42,19 +42,7 @@ Ref: https://keepachangelog.com/en/1.0.0/
 
 ### Improvements
 * (types) [\#1314](https://github.com/Finschia/finschia-sdk/pull/1314) replace IsEqual with Equal
-<<<<<<< HEAD
-=======
-* (x/fswap) [\#1363](https://github.com/Finschia/finschia-sdk/pull/1363) introduce new event for MakeSwapProposal
-* (x/fbridge) [\#1366](https://github.com/Finschia/finschia-sdk/pull/1366) Set target denom as module parameters
-* (x/fbridge) [\#1369](https://github.com/Finschia/finschia-sdk/pull/1369) Add the event of `SetBridgeStatus`
-* (x/fswap) [\#1372](https://github.com/Finschia/finschia-sdk/pull/1372) support message based proposals
-* (x/fswap) [\#1387](https://github.com/Finschia/finschia-sdk/pull/1387) add new Swap query to get a single swap
-* (x/fswap) [\#1382](https://github.com/Finschia/finschia-sdk/pull/1382) add validation & unit tests in fswap module 
-* (x/fbridge) [\#1395](https://github.com/Finschia/finschia-sdk/pull/1395) Return error instead of panic for behaviors triggered by client
-* (x/fswap) [\#1396](https://github.com/Finschia/finschia-sdk/pull/1396) refactor to use snake_case in proto
-* (x/fswap) [\#1391](https://github.com/Finschia/finschia-sdk/pull/1391) add cli_test for fswap module
 * (x/fswap) [\#1415](https://github.com/Finschia/finschia-sdk/pull/1415) add more testcases for fswap module
->>>>>>> 10726cfaf (chore: add additional testcases for fswap (#1415))
 
 ### Bug Fixes
 * (x/auth) [#1281](https://github.com/Finschia/finschia-sdk/pull/1281) `ModuleAccount.Validate` now reports a nil `.BaseAccount` instead of panicking. (backport #1274)