DoctrineTestCase is not used and is a remnant pre-split

tests/Doctrine/Tests/DbalTestCase.php

@@ -5,6 +5,6 @@ namespace Doctrine\Tests;
 /**
  * Base testcase class for all dbal testcases.
  */
-class DbalTestCase extends DoctrineTestCase
+abstract class DbalTestCase extends \PHPUnit_Framework_TestCase
 {
-}
\ No newline at end of file
+}

tests/Doctrine/Tests/DoctrineTestCase.php

-<?php
-
-namespace Doctrine\Tests;
-
-/**
- * Base testcase class for all Doctrine testcases.
- */
-abstract class DoctrineTestCase extends \PHPUnit_Framework_TestCase
-{
-}
\ No newline at end of file