JpnForPhp\Tests\Helper\HelperTest::testExtractHiraganaWithLengthEqualsNWhenMixed PHP Method

    public function testExtractHiraganaWithLengthEqualsNWhenMixed()
    {
        $result = Helper::extractHiragana($this->mixCharacters, 2);
        $this->assertSame(array('はに', 'いま', 'す'), $result);
    }