add fixture stubs to make fixture repository rule work

stubs/Doctrine/Bundle/FixturesBundle/Fixture.php

@@ -0,0 +1,15 @@
+<?php
+
+namespace Doctrine\Bundle\FixturesBundle;
+
+use Doctrine\Common\DataFixtures\FixtureInterface;
+
+if (class_exists('Doctrine\Bundle\FixturesBundle\Fixture')) {
+    return;
+}
+
+
+class Fixture implements FixtureInterface
+{
+
+}

stubs/Doctrine/Common/DataFixtures/FixtureInterface.php

@@ -0,0 +1,12 @@
+<?php
+
+namespace Doctrine\Common\DataFixtures;
+
+if (class_exists('Doctrine\Common\DataFixtures\FixtureInterface')) {
+    return;
+}
+
+interface FixtureInterface
+{
+
+}

stubs/Doctrine/Persistence/ObjectManager.php

@@ -0,0 +1,12 @@
+<?php
+
+namespace Doctrine\Persistence;
+
+if (class_exists('Doctrine\Persistence\ObjectManager')) {
+    return;
+}
+
+class ObjectManager
+{
+
+}