code: def test_multiple(self):
      self.assertEqual(
          self.table.aggregate(
              [("count", Count()), ("sum", Sum("two"))]
          ),
          {"count": 3, "sum": 9},
      )
  
file_path: agate/tests/test_table/test_aggregate.py
imports: from agate import Table
  from agate.aggregations import Count, Sum
  from agate.data_types import Number, Text
  from agate.testcase import AgateTestCase
label_desc: Use image node_id 4 for calling the TestAggregate obj's underlying member method code with example usage: obj.test_multiple() without return types