public function testPreventDividedByZeroWhenPredictedLabelsAllNotMatch()
{
$labels = [1, 2, 3, 4, 5];
$predicted = [2, 3, 4, 5, 6];
$report = new ClassificationReport($labels, $predicted);
$this->assertEquals(['precision' => 0, 'recall' => 0, 'f1score' => 0], $report->getAverage(), '', 0.01);
}