Is it platform specific

generic

Importance or Severity

Low

Description of the enhancement

test_traffic_shift_sup.py is specifically targetting modular chassis, and thus is not applicable for t2_single_node topo, even though it is mostly harmless.

Current Behavior

test_traffic_shift_sup.py is not skipped on t2_single_node topo

Proposed Behavior

test_traffic_shift_sup.py should be skipped on t2_single_node topo