TrafficControllerTest - trivial simplification

Bug: 235286176
Test: TreeHugger
Signed-off-by: Maciej Żenczykowski <maze@google.com>
Change-Id: I25158126c968707f44f595f731547a8bd9bb503d
(cherry picked from commit ced3531ad5124234909b2e29d46b222197739134)
Merged-In: I25158126c968707f44f595f731547a8bd9bb503d
1 file changed