MCordingley\Regression\Tests\ObservationsTest::testGetIterator PHP Method

    public function testGetIterator()
    {
        $observations = Observations::fromArray(static::$features, static::$outcomes);
        /**
         * @var int $i
         * @var Observation $observation
         */
        foreach ($observations as $i => $observation) {
            static::assertEquals(static::$features[$i], $observation->getFeatures());
        }
    }