public function testWhereFirst()
{
$itemBefore = [['id' => 1, 'name' => 'Udonthani'], ['id' => 2, 'name' => 'Bangkok']];
$itemAfter = ['id' => 2, 'name' => 'Bangkok'];
$collection = new Collection($itemBefore);
$result = $collection->where('id', 2)->first();
$this->assertTrue(is_array($result));
$this->assertEquals($itemAfter, $result);
}
