Make unit tests cleanup a DB after finish

extensions/codeception/TestCase.php

@@ -80,7 +80,6 @@ class TestCase extends Test
     {
         parent::setUp();
         $this->mockApplication();
-        $this->unloadFixtures();
         $this->loadFixtures();
     }
 
@@ -90,6 +89,7 @@ class TestCase extends Test
     protected function tearDown()
     {
         $this->destroyApplication();
+        $this->unloadFixtures();
         parent::tearDown();
     }