<?php

namespace Asmaster\EquipTwig\Tests;

use Asmaster\EquipTwig\TwigFormatter;
use Equip\Adr\PayloadInterface;
use Lukasoppermann\Httpstatus\Httpstatus;
use PHPUnit_Framework_TestCase as TestCase;
use Twig_Environment as TwigEnvironment;
use Twig_Loader_Filesystem as TwigLoaderFilesystem;

class TwigFormatterTest extends TestCase
{
    /**
     * @var TwigFormatter
     */
    private $formatter;

    protected function setUp()
    {
        $loader = new TwigLoaderFilesystem(__DIR__.'/Asset/templates');

        $this->formatter = new TwigFormatter(
            new TwigEnvironment($loader),
            new HttpStatus
        );
    }

    public function testAccepts()
    {
        $this->assertEquals(['text/html'], TwigFormatter::accepts());
    }

    public function testType()
    {
        $this->assertEquals('text/html', $this->formatter->type());
    }

    public function testResponse()
    {
        $template = 'test.html.twig';
        $output = [
            'header' => 'header',
            'body'   => 'body',
            'footer' => 'footer'
        ];

        $payload = $this->getMock(PayloadInterface::class);

        $payload->expects($this->any())
            ->method('getOutput')
            ->willReturn($output);

        $payload->expects($this->any())
            ->method('getSetting')
            ->willReturn($template);

        $body = $this->formatter->body($payload);

        $this->assertEquals("<h1>header</h1>\n<p>body</p>\n<span>footer</span>\n", $body);
    }
}

<?php

namespace Asmaster\EquipTwig\Tests;

use Asmaster\EquipTwig\TwigFormatter;
use Equip\Adr\PayloadInterface;
use PHPUnit_Framework_TestCase as TestCase;
use Twig_Environment as TwigEnvironment;
use Twig_Loader_Filesystem as TwigLoaderFilesystem;

class TwigFormatterTest extends TestCase
{
    /**
     * @var TwigFormatter
     */
    private $formatter;

    protected function setUp()
    {
        $loader = new TwigLoaderFilesystem(__DIR__.'/Asset/templates');

        $this->formatter = new TwigFormatter(
            new TwigEnvironment($loader)
        );
    }

    public function testAccepts()
    {
        $this->assertEquals(['text/html'], TwigFormatter::accepts());
    }

    public function testType()
    {
        $this->assertEquals('text/html', $this->formatter->type());
    }

    public function testResponse()
    {
        $template = 'test.html.twig';
        $output = [
            'header' => 'header',
            'body'   => 'body',
            'footer' => 'footer'
        ];

        $payload = $this->getMock(PayloadInterface::class);

        $payload->expects($this->any())
            ->method('getOutput')
            ->willReturn($output);

        $payload->expects($this->any())
            ->method('getSetting')
            ->willReturn($template);

        $body = $this->formatter->body($payload);

        $this->assertEquals("<h1>header</h1>\n<p>body</p>\n<span>footer</span>\n", $body);
    }
}

Remove unused "use statement" from the test
Remove unused "use statement" from the test
