realpath

<?php     {

        return (Path::isAbsolute($path))

            ? $path

            : Path::resolve(realpath(statamic_path('../')).'/'.$path);

    }

<?php     public function setUp(): void

    {

        parent::setUp();

        $this->addonFixtureDir = realpath(__DIR__.'/../Fixtures/Addon').'/';

    }

<?php                 'name' => 'The Bar',

                'description' => 'The Bar addon for tests',

                'namespace' => 'Foo\Bar',

                'directory' => realpath(__DIR__.'/../fixtures/Addon'),

                'autoload' => 'src',

                'url' => 'http://foo.com/addons/bar',

                'developer' => 'John Foo',