code: def test_all_no_multiprocessing(self):
      self.category = "All with No Multiprocessing"
  
      cores = self.data.ta.cores
      self.data.ta.cores = 0
      self.data.ta.strategy(verbose=verbose, timed=strategy_timed)
      self.data.ta.cores = cores
  
imports: from multiprocessing import cpu_count
  from time import perf_counter
  from .config import sample_data
  from .context import pandas_ta
  from unittest import skip, skipUnless, TestCase
  from pandas import DataFrame
label_desc: Use image node_id 25 for calling the TestStrategyMethods obj's underlying member method code with example usage: obj.test_all_no_multiprocessing() without return types