code: def test_table_infer_int(self):
      data = {"a": [None, None, None, None, 1, 0, 1, 1, 1]}
      tbl = Table(data)
      assert tbl.schema() == {"a": int}
  
imports: from datetime import date, datetime
  from perspective.table import Table
  from pytest import mark
label_desc: Use image node_id 1 for calling the TestTableInfer obj's underlying member method code with example usage: obj.test_table_infer_int() without return types