* api4: improved error handling
* system_store: more logs
* integrate go-junit-report into test-te/test-ee
* add CI_MINIO_HOST and CI_INBUCKET_HOST instead of CI_HOST
* comment re: minio configuration issue
* fix TestStartServerPortUnavailable to pass even when root can bind to :21
* skip TestFindManifest_FolderPermission while running as root