Enable running tests on a persistant network setup

- Doesn't setup  or teardown the control or data planes
- Increase timeout for reading scapy packets

TODO:
- Add to all params files for qa pod
- Update tofino switch driver
- Test on other test suites

Change-Id: I8de8e10205b508fd7cd7fb49fc7715369dab5fb0
(cherry picked from commit bb1e6baec7126ca99240bab1e45622eec037021b)
diff --git a/TestON/tests/HA/dependencies/HA.py b/TestON/tests/HA/dependencies/HA.py
index adc4d5f..9af5dfb 100644
--- a/TestON/tests/HA/dependencies/HA.py
+++ b/TestON/tests/HA/dependencies/HA.py
@@ -3526,7 +3526,7 @@
 
         description = "Check that Leadership Election is still functional"
         main.case( description )
-        # NOTE: Need to re-run after restarts since being a canidate is not persistant
+        # NOTE: Need to re-run after restarts since being a candidate is not persistent
 
         oldLeaders = []  # list of lists of each nodes' candidates before
         newLeaders = []  # list of lists of each nodes' candidates after