public function shouldHandleMethodAppendPrefixToNumbers()
{
//given
$numbers = [1, 2, 3];
//when
$numbersWithPrefix = $this->soapClient->appendPrefixToNumbers($numbers, 'PREF - ');
//then
Assert::thatArray($numbersWithPrefix)->containsExactly('PREF - 1', 'PREF - 2', 'PREF - 3');
}