shorter payload

Author: max-ostapenko

test/command-line-test.js

@@ -353,12 +353,13 @@ describe('WebPageTest Command Line', function() {
   });
 
   it('gets a test with long custom metrics script then returns API url and payload with custom metrics data', function (done) {
-    let script = '"[example]\n\\\\' + 'X'.repeat(10000) + '\nreturn 1;"'
+    let script = '"[example]\n\\\\' + 'X'.repeat(6000) + '\nreturn 1;"'
+
     exec(mock('test http://foobar.com --http_method POST --custom ' + script), function (err, data) {
       if (err) return done(err);
       data = JSON.parse(data);
       assert.equal(data.url, wptServer + 'runtest.php');
-      assert.equal(data.form.length, 10089);
+      assert.equal(data.form.length, 6077);
       done();
     });
   });