Issue #1191040 by sun: Use proper function for ordering tests by title.

modules/simpletest/simpletest.pages.inc

@@ -128,7 +128,7 @@ function theme_simpletest_test_table($variables) {
     );
 
     // Sorting $element by children's #title attribute instead of by class name.
-    uasort($element, '_simpletest_sort_by_title');
+    uasort($element, 'element_sort_by_title');
 
     // Cycle through each test within the current group.
     foreach (element_children($element) as $test_name) {
@@ -177,18 +177,6 @@ function theme_simpletest_test_table($variables) {
   }
 }
 
-/**
- * Sort element by title instead of by class name.
- */
-function _simpletest_sort_by_title($a, $b) {
-  // This is for parts of $element that are not an array.
-  if (!isset($a['#title']) || !isset($b['#title'])) {
-    return 1;
-  }
-
-  return strcasecmp($a['#title'], $b['#title']);
-}
-
 /**
  * Run selected tests.
  */