Pass code check
Add tests for OVS user switch (skipping hifi test for now)
test_hifi.py currently fails for OVS when datapath=user -we should look at this and fix it.
Skip IVS and UserSwitch tests if they are not installed
tests: run all tests with OVS, IVS, and userspace switches
Each switch gets its own class so that the test results are listed separately.
test_hifi: use SWITCH to pick the switch class
test: Improve unit tests to verify basic functionality
Also a more complete ping test that parses all output to the CLI.
These tests expand the hifi-specific ones to not just cover whethera topology can be created with options, but whether those options...
Add a simple unit test for link/host creation with options