define the vstf test running workflow and add vstf into unified test entrance
-rw-r--r-- 272 .gitignore
-rw-r--r-- 66 .gitreview
-rw-r--r-- 832 INFO
-rw-r--r-- 624 LICENSE
drwxr-xr-x - ci
-rwxr-xr-x 1016 common.sh
drwxr-xr-x - config
drwxr-xr-x - docs
-rw-r--r-- 1716 requirements.txt
-rwxr-xr-x 4418 run_tests.sh
drwxr-xr-x - testsuites
drwxr-xr-x - utils