test: limit lint rule disabling in message test

nexttick_throw.js has a comment that disables all ESLint rules for a
line. Change it to only disable the one ESLint rule that the line
violates.

PR-URL: nodejs#11724
Reviewed-By: Teddy Katz <teddy.katz@gmail.com>
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Yuta Hiroto <hello@about-hiroppy.com>

test/message/nexttick_throw.js

@@ -5,7 +5,7 @@ process.nextTick(function() {
   process.nextTick(function() {
     process.nextTick(function() {
       process.nextTick(function() {
-        // eslint-disable-next-line
+        // eslint-disable-next-line no-undef
         undefined_reference_error_maker;
       });
     });