Fixed twitter link

vendor/phpunit/phpunit-mock-objects/tests/_fixture/AbstractTrait.php

@@ -0,0 +1,15 @@
+<?php
+trait AbstractTrait
+{
+    abstract public function doSomething();
+
+    public function mockableMethod()
+    {
+        return true;
+    }
+
+    public function anotherMockableMethod()
+    {
+        return true;
+    }
+}