code: def testMINUS_DM(self):
      barDs = self.__loadBarDS()
      self.assertAmountsAreEqual(
          indicator.MINUS_DM(barDs, 252, 14)[13], 12.995, 3
      )
      self.assertAmountsAreEqual(
          indicator.MINUS_DM(barDs, 252, 14)[-2], 8.33
      )
      self.assertAmountsAreEqual(
          indicator.MINUS_DM(barDs, 252, 14)[-1], 9.68
      )
  
imports: import datetime
  import talib
  from six.moves import xrange
  from .None import common
  from pyalgotrade.talibext import indicator
  from pyalgotrade import bar
  from pyalgotrade import dataseries
  from pyalgotrade.dataseries import bards
label_desc: Use image node_id 35 for calling the TestCase obj's underlying member method code with example usage: obj.testMINUS_DM() without return types