JS: rename UselessRangeCheck -> UselessComparisonTest

javascript/ql/src/Statements/UselessComparisonTest.qhelp

@@ -27,14 +27,14 @@ If the check is needed to guard against <code>NaN</code> values, insert a commen
 The following example finds the index of an element in a given slice of the array:
 </p>
 
-<sample src="examples/UselessRangeCheck.js" />
+<sample src="examples/UselessComparisonTest.js" />
 
 <p>
 The condition <code>i &lt; end</code> at the end is always false, however. The code can be clarified if the
 redundant condition is removed:
 </p>
 
-<sample src="examples/UselessRangeCheckGood.js" />
+<sample src="examples/UselessComparisonTestGood.js" />
 
 </example>
 <references>

javascript/ql/src/Statements/UselessComparisonTest.ql

@@ -1,6 +1,7 @@
 /**
- * @name Useless range check
- * @description If a range check always fails or always succeeds, it is indicative of a bug.
+ * @name Useless comparison test
+ * @description A comparison that always evaluates to true or always evaluates to false may
+ *              indicate faulty logic and dead code.
  * @kind problem
  * @problem.severity warning
  * @id js/useless-range-check