test: add option to test-benchmark-timers

Add option to test-benchmark-timers such that all benchmark files return
only a single set of results. (This helps prevent benchmark tests from
taking a long time to run.)

Alphabetize options in the file.

PR-URL: #21032
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Anatoli Papirovski <apapirovski@mac.com>

test/parallel/test-benchmark-timers.js

@@ -6,7 +6,8 @@ const runBenchmark = require('../common/benchmark');
 
 runBenchmark('timers',
              [
+               'direction=start',
+               'n=1',
                'type=depth',
-               'n=1'
              ],
              { NODEJS_BENCHMARK_ZERO_ALLOWED: 1 });