code: def test_multiple_attribute_values(self):
      self.assertEqual(
          str(
              NQLQueryAggregate(
                  items=[
                      NQLQueryAttribute(
                          name="sys/owner",
                          type=NQLAttributeType.STRING,
                          operator=NQLAttributeOperator.EQUALS,
                          value=user,
                      )
                      for user in ["user1", "user2"]
                  ],
                  aggregator=NQLAggregator.OR,
              )
          ),
          '((`sys/owner`:string = "user1") OR (`sys/owner`:string = "user2"))',
      )
  
imports: import unittest
  from neptune.internal.backends.nql import NQLAggregator, NQLAttributeOperator, NQLAttributeType, NQLQueryAggregate, NQLQueryAttribute
label_desc: Use image node_id 2 for calling the TestNQL obj's underlying member method code with example usage: obj.test_multiple_attribute_values() without return types