* Implement upgrade test
* mark upgrade-tests.sh as executable
* Fix comments
* Base upgrade_test_setup.yaml
* e2e integration of upgrade test
* Fix entrypoint argument
* Fix e2e workflow yaml
* Fix run_test.sh argument processing
* Fix no closing backtick
* Restrucutre upgrade_test.go to focus the test on upgrade verification
* clean up code
* Clean up after upgrade test when it is run in integration tests.
* Include pipeline tests in upgrade test
* Reorder tests
* Add upgrade test coverage for run api resources
* Add job api resource coverage in upgrade test & refactored upgrade test
* Fix add missing step in upgrade test
* Fix BUILD.bazel
* Fix upgrade_test.go
* Try to fix upgrade test failure
* Fix hard coded namespace
* Sync upgrade-tests.sh with new changes in presubmit-tests-with-pipeline-deployment.sh
* Update upgrade test
* Remove redundant code
* Fix integration test exit code
* Fix trigger interval second mismatch
Yuan (Bob) Gong