public function testAggregateMin()
 {
     // Get user with the min of `id`
     $user_min = Model\User::min();
     // Consist
     $this->assertInstanceOf('Gas\\ORM', $user_min);
     $this->assertInstanceOf('Gas\\Data', $user_min->record);
     // The min id would be '1'
     $this->assertEquals($user_min->id, '1');
 }