formTest.php

<?php

protected function setUp()
    {
        $this->factory = Forms::createFormFactoryBuilder()
            ->addExtensions($this->getExtensions())
            ->addTypeExtension(new AutoCompleteExtension())
            ->getFormFactory();

        $this->dispatcher = $this->getMock('Symfony\Component\EventDispatcher\EventDispatcherInterface');
        $this->builder = new FormBuilder(null, null, $this->dispatcher, $this->factory);
    }