public function testPrintedResultContainsEqualNumHeadingsAndValues()
{
ob_start();
$this->single->printResult('php://output', $this->sample_row);
$output = ob_get_clean();
$rows = explode("\n", $output);
$headings = explode(',', $rows[0]);
$vals = explode(',', $rows[1]);
$this->assertEquals(count($headings), count($vals), 'Printed result does not contain same number of headings and values');
}