public function testRandomAsciiReturnsAsciiCharacter()
{
$lowercaseLetters = '!"#$%&\'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~';
$this->assertTrue(strpos($lowercaseLetters, BaseProvider::randomAscii()) !== false);
}