org\bovigo\vfs\vfsStreamWrapperFileTestCase::issue13CanNotOverwriteFiles PHP Method

    public function issue13CanNotOverwriteFiles()
    {
        $vfsFile = vfsStream::url('foo/overwrite.txt');
        file_put_contents($vfsFile, 'test');
        file_put_contents($vfsFile, 'd');
        $this->assertEquals('d', file_get_contents($vfsFile));
    }