JS: add test for js/useless-comparison-test

Author: Esben Sparre Andreasen

javascript/ql/test/query-tests/Statements/UselessComparisonTest/UselessComparisonTest.expected

@@ -1,3 +1,5 @@
 | constant.js:2:7:2:11 | 1 > 2 | The condition '1 > 2' is always false. |
 | constant.js:3:7:3:11 | 1 > 0 | The condition '1 > 0' is always true. |
 | example.js:8:7:8:13 | i < end | The condition 'i < end' is always false. |
+| tst.js:8:23:8:33 | i == 100000 | The condition 'i == 100000' is always false. |
+| tst.js:9:23:9:33 | i == 100000 | The condition 'i == 100000' is always false. |

javascript/ql/test/query-tests/Statements/UselessComparisonTest/tst.js

@@ -0,0 +1,10 @@
+(function(p = 1) {
+	if (p > 0) {
+	} else {
+	}
+});
+
+(function(){
+	(function (i) { if (i == 100000) return; })(1);
+	(function f(i) { if (i == 100000) return; f(i+1); })(1);
+});