remove second toolbar after the test is done

Author: ptylek

dev/tests/js/jasmine/tests/app/code/Magento/Catalog/frontend/js/product/list/toolbar.test.js

@@ -41,6 +41,7 @@ define([
             secondToolbar.productListToolbarForm();
 
             expect($.mage.productListToolbarForm.prototype._bind).toHaveBeenCalledTimes(4);
+            secondToolbar.remove();
         });
     });
 });