Pantheon\Terminus\UnitTests\Commands\ArtCommandTest::artCommandPrintsContentsOfFilesInAssetsDirectory PHP Method

    public function artCommandPrintsContentsOfFilesInAssetsDirectory()
    {
        $this->output->expects($this->once())->method('writeln')->with($this->stringContains('Hello World!'));
        $this->command->art('hello');
    }