getDumps example

$data = new Data([[123]]);
        $data = $data->withContext(['label' => 'foo']);

        $collector = new DumpDataCollector(null, new FileLinkFormatter([]));

        $this->assertSame('dump', $collector->getName());

        $collector->dump($data);
        $line = __LINE__ - 1;
        $this->assertSame(1, $collector->getDumpsCount());

        $dump = $collector->getDumps('html');
        $this->assertArrayHasKey('data', $dump[0]);
        $dump[0]['data'] = preg_replace('/^.*?<pre/', '<pre', $dump[0]['data']);
        $dump[0]['data'] = preg_replace('/sf-dump-\d+/', 'sf-dump', $dump[0]['data']);

        $xDump = [
            [
                'data' => "<pre class=sf-dump id=sf-dump data-indent-pad=\" \"><span class=sf-dump-num>123</span>\n</pre><script>Sfdump(\"sf-dump\")</script>\n",
                'name' => 'DumpDataCollectorTest.php',
                'file' => __FILE__,
                'line' => $line,
                'fileExcerpt' => false,