DataProviderExample.php

<?php

/**
 * @dataprovider sums
 */
public function testSums($first, $second, $expected)
{
    $this->assertSame($expected, $first + $second);
}

public function sums()
{
    return [
        [1, 1, 2],
        [2, 1, 3],
    ];
}