Tools: Test: Audio: Fix IIR and FIR tests handling in process_test.m#9685

kv2019i merged 2 commits intothesofproject:mainthesofproject/sof:mainfrom

singalsu:process_test_fix_iireq_iireq_testsingalsu/sof:process_test_fix_iireq_iireq_testCopy head branch name to clipboard