Google\Cloud\Tests\PubSub\TopicTest::testPublishBatchUnencoded PHP Method

    public function testPublishBatchUnencoded()
    {
        $message = ['data' => 'hello world', 'attributes' => ['key' => 'value']];
        $this->connection->publishMessage(Argument::that(function ($options) use($message) {
            if ($options['foo'] !== 'bar') {
                return false;
            }
            if ($options['messages'] !== [$message]) {
                return false;
            }
            // If the message was encoded, this will fail the test.
            if ($options['messages'][0]['data'] !== $message['data']) {
                return false;
            }
            return true;
        }));
        $this->topic->setConnection($this->connection->reveal());
        $res = $this->topic->publishBatch([$message], ['foo' => 'bar', 'encode' => false]);
    }