Fix Metar Decoding / Wind check for Wind Chill

[FatihKoz]

PR aims to fix the bug #1071 by checking both the wind speed and it's value for starting Wind Chill calculation.

[nabeelio]

Do you have a METAR for this? I can add a test in

[FatihKoz]

We have, you can use the one from the bug report ...

EKYT 091020Z /////KT CAVOK 02/M03 Q1019

[nabeelio]

D;oh, sorry, didn't see that

[nabeelio]

Grr, the push isn't working right

Just add this to MetarTest.php, after line 152

    /**
     * https://github.com/nabeelio/phpvms/issues/1071
     */
    public function testMetarWindSpeedChill()
    {
        $metar = 'EKYT 091020Z /////KT CAVOK 02/M03 Q1019';
        $metar = Metar::parse($metar);

        $this->assertEquals('VFR', $metar['category']);
        $this->assertNull($metar['wind_speed']);
        $this->assertEquals(6.21, $metar['visibility']['mi']);
    }

[FatihKoz]

MetarTest update done.