class_docstr: Tests whether the Python :module:`pyflink.table.expressions` is consistent with
  Java `org.apache.flink.table.api.Expressions`.
code: def java_method_name(cls, python_method_name):
      return {
          "and_": "and",
          "or_": "or",
          "not_": "not",
          "range_": "range",
          "map_": "map",
      }.get(python_method_name, python_method_name)
  
file_path: flink/flink-python/pyflink/table/tests/test_expressions_completeness.py
imports: from pyflink.testing.test_case_utils import PythonAPICompletenessTestCase, PyFlinkTestCase
  from pyflink.table import expressions
label_desc: Use image node_id 3 for calling the ExpressionsCompletenessTests obj's underlying member method code with example usage: obj.java_method_name(cls, python_method_name) and returns: dict