Fix test failing due to bad luck

Sometimes shit happens... The Romanian national identity card number
generator generated a non-exisiting date (02/29/98). Fixing the seed
solves the problem.

test/Faker/Provider/ro_RO/PersonTest.php

@@ -13,6 +13,7 @@ class PersonTest extends \PHPUnit_Framework_TestCase
     public function setUp()
     {
         $faker = new Generator();
+        $faker->seed(1);
         $faker->addProvider(new DateTime($faker));
         $faker->addProvider(new Person($faker));
         $this->faker = $faker;