DB_result tests seem to also depend on autoloading via the class_exists() checks ...
diff --git a/system/database/DB_driver.php b/system/database/DB_driver.php
index 213e2c3..f03f56c 100644
--- a/system/database/DB_driver.php
+++ b/system/database/DB_driver.php
@@ -704,7 +704,7 @@
 	{
 		$driver = 'CI_DB_'.$this->dbdriver.'_result';
 
-		if ( ! class_exists($driver, FALSE))
+		if ( ! class_exists($driver))
 		{
 			include_once(BASEPATH.'database/DB_result.php');
 			include_once(BASEPATH.'database/drivers/'.$this->dbdriver.'/'.$this->dbdriver.'_result.php');
diff --git a/tests/mocks/database/ci_test.sqlite b/tests/mocks/database/ci_test.sqlite
index 44dcef9..574d3ae 100755
--- a/tests/mocks/database/ci_test.sqlite
+++ b/tests/mocks/database/ci_test.sqlite
Binary files differ