diff -u b/core/modules/simpletest/simpletest.css b/core/modules/simpletest/simpletest.css
--- b/core/modules/simpletest/simpletest.css
+++ b/core/modules/simpletest/simpletest.css
@@ -1,8 +1,5 @@
 
 /* Test Table */
-.simpletest-form-table th.select-all {
-  width: 1em;
-}
 th.simpletest_test {
   width: 16em;
 }
@@ -22,24 +19,24 @@
 .simpletest-test-description .description {
   margin: 0;
 }
-.simpletest-form-table tr td {
+.simpletest-form-table td {
   background-color: white;
   color: #494949;
 }
-.simpletest-form-table tr.simpletest-group td {
+.simpletest-form-table .simpletest-group td {
   background-color: #edf5fa;
   color: #494949;
 }
 
-table.simpletest-form-table tr.simpletest-group label {
+.simpletest-form-table .simpletest-group label {
   display: inline;
 }
 
-div.message > div.item-list {
+.simpletest-verbose-message {
   font-weight: normal;
 }
 
-div.simpletest-pass {
+.simpletest-pass {
   color: #33a333;
 }
 .simpletest-fail {
diff -u b/core/modules/simpletest/simpletest.pages.inc b/core/modules/simpletest/simpletest.pages.inc
--- b/core/modules/simpletest/simpletest.pages.inc
+++ b/core/modules/simpletest/simpletest.pages.inc
@@ -172,7 +172,14 @@
     return '<strong>' . t('No tests to display.') . '</strong>';
   }
   else {
-    return theme('table', array('header' => $header, 'rows' => $rows, 'attributes' => array('id' => 'simpletest-form-table', 'class' => 'simpletest-form-table')));
+    return theme('table', array(
+      'header' => $header,
+      'rows' => $rows,
+      'attributes' => array(
+        'id' => 'simpletest-form-table',
+        'class' => array('simpletest-form-table')
+      )
+    ));
   }
 }
 
only in patch2:
unchanged:
--- a/core/modules/simpletest/simpletest.module
+++ b/core/modules/simpletest/simpletest.module
@@ -325,7 +325,7 @@ function _simpletest_batch_operation($test_list_init, $test_id, &$context) {
   }
   $context['message'] = t('Processed test @num of @max - %test.', array('%test' => $info['name'], '@num' => $max - $size, '@max' => $max));
   $context['message'] .= '<div class="simpletest-' . ($test_results['#fail'] + $test_results['#exception'] ? 'fail' : 'pass') . '">Overall results: ' . _simpletest_format_summary_line($test_results) . '</div>';
-  $context['message'] .= theme('item_list', array('items' => $items));
+  $context['message'] .= theme('item_list', array('items' => $items, 'attributes' => array('class' => array('simpletest-verbose-message'))));
 
   // Save working values for the next iteration.
   $context['sandbox']['tests'] = $test_list;