tests: properly set exit code.

tests/test_misc.sh

@@ -32,6 +32,9 @@ test_get_process_name() {
 
 
 printf "%s\\n" "Test MISC functions."
+
 test_convert_time
 test_get_ppid
 test_get_process_name
+
+[[ -f /tmp/err ]] || exit 0 && { rm /tmp/err; exit 1; }

tests/test_util.sh

@@ -7,4 +7,5 @@ assert_equals() {
     local status
     [[ "$1" == "$2" ]] && status="✔"
     printf "%s\\n" "  ${status:-✖} : ${FUNCNAME[1]}"
+    [[ "$1" == "$2" ]] || { :>/tmp/err; return 1; } && return 0
 }