optimise vdns regression
Merge pull request #407 from smusuvat/test_parallelism

Test parallelism
cleanup code
cleanup code
Merge pull request #401 from shettyp/test_parallelism

optimise vdns regression
Added base test file  and  vpc tests  to tun  in parallel
Merge pull request #409 from ruchi123/test_parallelism

Added base test file  and  vpc tests  to tun  in parallel
Merge pull request #408 from smusuvat/test_parallelism

Test parallelism
Completed test_vm.py with random name and vm flavors
remove file itest_vm.py.bkup
move test_repeated_policy_modify to detailed_policy_test_suite