class_docstr: Tests for zipline ExecutionStyle classes.
class_docstr_tok: ["Tests","for","zipline","ExecutionStyle","classes","."]
code: def init_class_fixtures(cls):
      super(ExecutionStyleTestCase, cls).init_class_fixtures()
  
file_path: zipline/tests/test_execution_styles.py
imports: from nose_parameterized import parameterized
  from six.moves import range
  import pandas
  from zipline.errors import BadOrderParameters
  from zipline.finance.execution import LimitOrder, MarketOrder, StopLimitOrder, StopOrder
  from zipline.testing.fixtures import WithLogger, ZiplineTestCase, WithConstantFutureMinuteBarData
  from zipline.testing.predicates import assert_equal
label_desc: Use image node_id 2 for calling the ExecutionStyleTestCase obj's underlying member method code with example usage: obj.init_class_fixtures(cls) without return types