multiple-pause-resume: add error handling when expect function returns error

Add similiar log and error handling with check-pause-resume.sh.

Signed-off-by: Fred Oh <fred.oh@linux.intel.com>

Author: fredoh9

test-case/multiple-pause-resume.sh

@@ -161,7 +161,12 @@ do
         declare -a pid_lst
         for idx in $pipeline_combine_str
         do
-            func_pause_resume_pipeline "$idx"
+            func_pause_resume_pipeline "$idx" || {
+                ret=$?
+                printf '\n\nERROR: pause_resume expect failed, returned %d\n' "$ret"
+                sof-process-kill.sh || dlogs 'failed to cleanup audio processes'
+                exit 1
+            }
             pid_lst=("${pid_lst[@]}" $!)
         done
         # wait for expect script finished