Elgg\Filesystem\FileTest::testCanCheckForItsOwnExistence PHP Method

    public function testCanCheckForItsOwnExistence()
    {
        $directory = Directory\InMemory::fromArray(['/foo/bar/bar.php' => 'bar']);
        $realfile = new File($directory, '/foo/bar/bar.php');
        $nonfile = new File($directory, '/foo/baz.php');
        $this->assertTrue($realfile->exists());
        $this->assertFalse($nonfile->exists());
    }