* migrate UTs form Travis to GHA
* update permissions
* rename file
* set fetch depth to 1
* debugs remote branches
* test with github.ref variable
* fetch github.base_ref for diff
* nit
* test git diff
* run tests
* test code coverage failure scenario
* nit
* nit
* revert code changes
* revert code changes
* Setup diff-test-coverage before tests
* build distribution module at end in packaging check
* nit
* remove redundant steps in static-checks workflow
* drop jdk8 unit tests from Travis
Tejaswini Bandlamudi