JS: update test

Author: esbena

javascript/ql/test/query-tests/Declarations/UniqueParameterNames/UniqueParameterNames.expected

@@ -1,2 +1,3 @@
 | tst.js:2:1:2:1 | x | This parameter has the same name as $@ of the same function. | tst.js:4:1:4:6 | \\u0078 | another parameter |
 | tst.js:3:1:3:1 | x | This parameter has the same name as $@ of the same function. | tst.js:4:1:4:6 | \\u0078 | another parameter |
+| tst.js:17:1:17:1 | x | This parameter has the same name as $@ of the same function. | tst.js:18:1:18:1 | x | another parameter |

javascript/ql/test/query-tests/Declarations/UniqueParameterNames/tst.js

@@ -2,7 +2,7 @@ function f(
 x,
 x, // NOT OK
 \u0078 // NOT OK
-) {}
+) { return; }
 
 this.addPropertyListener(prop.name, function(_, _, _, a) {
   proxy.delegate = a.dao;
@@ -12,3 +12,8 @@ this.addPropertyListener(prop.name, function(_, _, _, a) {
 function f(x, y, x) {
   'use strict';
 }
+
+function f(
+x,
+x // OK: empty function
+) { }