public function testToOptionArray()
{
$codes = [1, 2, 3, 4, 5];
$expected = [];
foreach ($codes as $k => $v) {
$expected[] = ['value' => $k, 'label' => $v];
}
$this->carrierTablerateMock->expects($this->once())->method('getCode')->willReturn($codes);
$this->assertEquals($expected, $this->model->toOptionArray());
}
