commit 314d4bc2031561c3129cec7029eef720009794a9
Author: Joel Pittet <joel@pittet.ca>
Date:   Sun Mar 9 20:25:15 2014 -0700

    don't forget about the run-tests.sh

diff --git a/core/modules/simpletest/simpletest.module b/core/modules/simpletest/simpletest.module
index 4a1d7e4..8092a37 100644
--- a/core/modules/simpletest/simpletest.module
+++ b/core/modules/simpletest/simpletest.module
@@ -100,13 +100,41 @@ function simpletest_js_alter(&$javascript) {
  *   - debug: The number of debuged test results.
  */
 function template_preprocess_simpletest_result_summary(&$variables) {
+  $variables['items'] = _simpletest_build_summary_line($variables);
+}
+
+/**
+ * Formats each test result type pluralized summary.
+ *
+ * @param  array $summary
+ *   A summary of the test results.
+ *
+ * @return array
+ *   returns the pluralized test summary items.
+ */
+function _simpletest_build_summary_line($summary) {
   $translation = \Drupal::translation();
-  $variables['items']['pass'] = $translation->formatPlural($variables['pass'], '1 pass', '@count passes');
-  $variables['items']['fail'] = $translation->formatPlural($variables['fail'], '1 fail', '@count fails');
-  $variables['items']['exception'] = $translation->formatPlural($variables['exception'], '1 exception', '@count exceptions');
-  if ($variables['debug']) {
-    $variables['items']['debug'] = $translation->formatPlural($variables['debug'], '1 debug message', '@count debug messages');
+  $items['pass'] = $translation->formatPlural($summary['pass'], '1 pass', '@count passes');
+  $items['fail'] = $translation->formatPlural($summary['fail'], '1 fail', '@count fails');
+  $items['exception'] = $translation->formatPlural($summary['exception'], '1 exception', '@count exceptions');
+  if ($summary['debug']) {
+    $items['debug'] = $translation->formatPlural($summary['debug'], '1 debug message', '@count debug messages');
   }
+  return $items;
+}
+
+/**
+ * Formats test result summaries into a comma separated string for run-tests.sh.
+ *
+ * @param  array $summary
+ *   A summary of the test results.
+ *
+ * @return string
+ *   A concatinated string of the formatted test results.
+ */
+function _simpletest_format_summary_line($summary) {
+  $parts = _simpletest_build_summary_line($summary);
+  return implode(', ', $parts);
 }
 
 /**