public function testContentType()
 {
     $upload = new FormUpload(__DIR__ . '/Fixtures/google.png');
     $upload->setName('company[logo]');
     $upload->setContentType('foo/bar');
     $this->assertEquals(array('Content-Disposition: form-data; name="company[logo]"; filename="google.png"', 'Content-Type: foo/bar'), $upload->getHeaders());
 }