add test for validation

tests/validation_limiting_to_a_single_or_range_cell.phpt

@@ -8,12 +8,12 @@ $config = ['path' => './tests'];
 
 $validation = new \Vtiful\Kernel\Validation();
 $validation->validationType(\Vtiful\Kernel\Validation::TYPE_LIST)
-    ->valueList(['wjx', 'viest'])
     ->valueList(['wjx', 'viest']);
 
 $excel    = new \Vtiful\Kernel\Excel($config);
 $filePath = $excel->fileName('tutorial.xlsx')
     ->validation('A1', $validation->toResource())
+    ->validation('B1:B1048576', $validation->toResource())
     ->output();
 
 var_dump($validation, $filePath);