code: def complex_psdf(self):
      pssers = {
          "this_array": self.psser,
          "that_array": ps.Series([[2, 3, 4]]),
          "this_struct": ps.Index([("x", 1)])
          .to_series()
          .reset_index(drop=True),
          "that_struct": ps.Index([("a", 2)])
          .to_series()
          .reset_index(drop=True),
      }
      return ps.concat(pssers, axis=1)
  
imports: import decimal
  import datetime
  import pandas
  from pyspark import pandas
  from pyspark.testing.pandasutils import PandasOnSparkTestCase
  from pyspark.pandas.tests.data_type_ops.testing_utils import OpsTestBase
label_desc: Use image node_id 13 for calling the ComplexOpsTestsMixin obj's underlying member method code with example usage: obj.complex_psdf() and returns: ps