public function testExtendWithValueNullIsIgnored() { $this->serviceLocator = new ServiceManagerMock(['Config' => ['acmailer_options' => ['default' => ['extends' => null, 'message_options' => ['to' => '[email protected]', 'from' => 'Me']]]]]); /** @var MailOptions $mailOptions */ $mailOptions = $this->mailOptionsFactory->__invoke($this->serviceLocator, 'acmailer.mailoptions.default'); $this->assertInstanceOf('AcMailer\\Options\\MailOptions', $mailOptions); }