/**
* Test the validity of province abbreviation
*/
public function testProvinceAbbr()
{
$provinceAbbr = $this->faker->provinceAbbr();
$this->assertNotEmpty($provinceAbbr);
$this->assertInternalType('string', $provinceAbbr);
$this->assertRegExp('/^[A-Z]{2}$/', $provinceAbbr);
}
