class_docstr: Tests for verifying ProgressHooks.
      
class_docstr_tok: ["Tests","for","verifying","ProgressHooks","."]
code: def make_seeded_random_loader_columns(cls):
      return TestingDataSet.columns | ShouldGetSkipped.columns
  
imports: import itertools
  from operator import attrgetter
  import numpy
  import pandas
  import toolz
  from zipline.pipeline import Pipeline
  from zipline.pipeline.classifiers import Everything
  from zipline.pipeline.domain import US_EQUITIES
  from zipline.pipeline.factors import CustomFactor
  from zipline.pipeline.data import Column, DataSet
  from zipline.pipeline.data.testing import TestingDataSet
  from zipline.pipeline.hooks.testing import TestingHooks
  from zipline.pipeline.hooks.progress import ProgressHooks, repr_htmlsafe, TestingProgressPublisher
  from zipline.pipeline.term import AssetExists, ComputableTerm, LoadableTerm
  from zipline.testing import parameter_space
  from zipline.testing.fixtures import ZiplineTestCase, WithSeededRandomPipelineEngine
  from zipline.testing.predicates import assert_almost_equal, instance_of
label_desc: Use image node_id 2 for calling the ProgressHooksTestCase obj's underlying member method code with example usage: obj.make_seeded_random_loader_columns(cls) and returns: unknown