Add assert_called check for "brclt addif" test

I92ee96e3aa34f7cd154a8ce4b33852b96cabe8c9 adds a negative test for
"brclt addif" but some mock arguments are not used/checked.
This patch adds assert_called_once_with check.

Change-Id: I8f3a0e4957343c8d6c903e1b893c58fda4916d91
Merge "Add assert_called check for "brclt addif" test"