* x/ibc-transfer: use ibc testing package
* coin denom failure
* update handler tests
* refactor first test in relay
* update onrecvtest, failing tests expected due to existing bug
* update on acknowledgement test, failing test is expected
* refactor timeout test
* revert coin validation changed, comment out tests
* minor fix
* update coordinator.go
* update coordinator.go
* add comment to fix handler test
* add link to issue in handler test
* fix test
Co-authored-by: Colin Axner <colinaxner@berkeley.edu>
Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>