BUG : return code output display was wrong

test.sh

@@ -62,15 +62,15 @@ while IFS='' read -r i || [[ -n "$line" ]]; do
     args=$(echo $i | cut -d: -f1)
     e_code=$(echo $i | cut -d: -f2)
     msg  "\nScript *${COMMAND}*, paramètres **${args}**\n"
-    ret=$(./$COMMAND $args 2>&1) 
-
-    if [[ $? == $e_code ]]
+    ret_o=$(./$COMMAND $args 2>&1) 
+    ret_c=$?
+    if [[ $ret_c == $e_code ]]
     then
         msg "green" "\tLe code de retour est celui attendu (${e_code})\n"
     else
-        msg "yellow" "\tLe code de retour n'est pas correct script : ${#} attendu : ${e_code}\n"
+        msg "yellow" "\tLe code de retour n'est pas correct script : ${ret_c} attendu : ${e_code}\n"
     fi
-    msg "blue" "\tRetour : ${ret}\n"
+    msg "blue" "\tRetour : ${ret_o}\n"
 done < "$TEST_FILE"
 
 exit 0