* Consistent license message for all the go files
* Fixing the last set of unconsistencies with the license headers
* Addressing PR review comments
* Fixing busy.go and busy_test.go license header
* MM-19670: Migrate tests to use testify (#12883)
* MM-19670: (#12883) Applied changes requested in PR #12898
* MM-19670: (#12883) assert.Equal parameters are 'expected' and then 'actual'.