3 files changed, 16 insertions, 20 deletions

diff --git a/modules/dblog/dblog.test b/modules/dblog/dblog.test
index 0cfca13bf..585ae3440 100644
--- a/modules/dblog/dblog.test
+++ b/modules/dblog/dblog.test
@@ -181,7 +181,7 @@ class DBLogTestCase extends DrupalWebTestCase {
    */
   private function doUser() {
     // Set user variables.
-    $name = $this->randomName();
+    $name = $this->randomName(4);
     $pass = user_password();
     // Add user using form to generate add user event (which is not triggered by drupalCreateUser).
     $edit = array();
diff --git a/modules/search/search.test b/modules/search/search.test
index 28e83f49c..179e81a10 100644
--- a/modules/search/search.test
+++ b/modules/search/search.test
@@ -498,7 +498,7 @@ class SearchCommentTestCase extends DrupalWebTestCase {
    * Verify that comments are rendered using proper format in search results.
    */
   function testSearchResultsComment() {
-    $comment_body = $this->randomName(5);
+    $comment_body = 'Test comment body';
 
     variable_set('comment_preview_article', DRUPAL_OPTIONAL);
     // Enable check_plain() for 'Filtered HTML' text format.
@@ -523,7 +523,7 @@ class SearchCommentTestCase extends DrupalWebTestCase {
     $node = $this->drupalCreateNode(array('type' => 'article'));
     // Post a comment using 'Full HTML' text format.
     $edit_comment = array();
-    $edit_comment['subject'] = $this->randomName(2);
+    $edit_comment['subject'] = 'Test comment subject';
     $edit_comment['comment_body[' . LANGUAGE_NONE . '][0][value]'] = '<h1>' . $comment_body . '</h1>';
     $edit_comment['comment_body[' . LANGUAGE_NONE . '][0][value_format]'] = 2;
     $this->drupalPost('comment/reply/' . $node->nid, $edit_comment, t('Save'));
@@ -534,7 +534,7 @@ class SearchCommentTestCase extends DrupalWebTestCase {
 
     // Search for the comment subject.
     $edit = array(
-      'search_block_form' => $edit_comment['subject'],
+      'search_block_form' => "'" . $edit_comment['subject'] . "'",
     );
     $this->drupalPost('', $edit, t('Search'));
     $this->assertText($node->title, t('Node found in search results.'));
@@ -542,7 +542,7 @@ class SearchCommentTestCase extends DrupalWebTestCase {
 
     // Search for the comment body.
     $edit = array(
-      'search_block_form' => $comment_body,
+      'search_block_form' => "'" . $comment_body . "'",
     );
     $this->drupalPost('', $edit, t('Search'));
     $this->assertText($node->title, t('Node found in search results.'));
diff --git a/modules/simpletest/drupal_web_test_case.php b/modules/simpletest/drupal_web_test_case.php
index befb5155e..5a364f9b9 100644
--- a/modules/simpletest/drupal_web_test_case.php
+++ b/modules/simpletest/drupal_web_test_case.php
@@ -505,45 +505,41 @@ abstract class DrupalTestCase {
    * is not restricted.
    *
    * @param $length
-   *   Length of random string to generate which will be appended to $db_prefix.
+   *   Length of random string to generate.
    * @return
    *   Randomly generated string.
    */
   public static function randomString($length = 8) {
-    global $db_prefix;
-
     $str = '';
     for ($i = 0; $i < $length; $i++) {
       $str .= chr(mt_rand(32, 126));
     }
-    return str_replace('simpletest', 's', $db_prefix) . $str;
+    return $str;
   }
 
   /**
    * Generates a random string containing letters and numbers.
    *
-   * The letters may be upper or lower case. This method is better for
-   * restricted inputs that do not accept certain characters. For example,
-   * when testing input fields that require machine readable values (ie without
-   * spaces and non-standard characters) this method is best.
+   * The string will always start with a letter. The letters may be upper or
+   * lower case. This method is better for restricted inputs that do not
+   * accept certain characters. For example, when testing input fields that
+   * require machine readable values (i.e. without spaces and non-standard
+   * characters) this method is best.
    *
    * @param $length
-   *   Length of random string to generate which will be appended to $db_prefix.
+   *   Length of random string to generate.
    * @return
    *   Randomly generated string.
    */
   public static function randomName($length = 8) {
-    global $db_prefix;
-
     $values = array_merge(range(65, 90), range(97, 122), range(48, 57));
     $max = count($values) - 1;
-    $str = '';
-    for ($i = 0; $i < $length; $i++) {
+    $str = chr(mt_rand(97, 122));
+    for ($i = 1; $i < $length; $i++) {
       $str .= chr($values[mt_rand(0, $max)]);
     }
-    return str_replace('simpletest', 's', $db_prefix) . $str;
+    return $str;
   }
-
 }
 
 /**