correct id for select test fixture, Fixes #4696

Author: johnbender

tests/unit/select/index.html

@@ -400,7 +400,7 @@ <h2 id="qunit-userAgent"></h2>
 		<option value="overnight">Overnight</option>
 	</select>
 
-	<select name="select-aggregate-option-text" id="select-aggregate-option-textxb" multiple>
+	<select name="select-aggregate-option-text" id="select-aggregate-option-text" multiple>
 		<option value="standard" selected>Standard: 7 day</option>
 		<option value="rush" selected>Rush: 3 days</option>
 		<option value="express">Express: next day</option>