code: def testMINUS_DI(self):
      barDs = self.__loadBarDS()
      self.assertAmountsAreEqual(
          indicator.MINUS_DI(barDs, 252, 14)[14], 30.1684
      )
      self.assertAmountsAreEqual(
          indicator.MINUS_DI(barDs, 252, 14)[28], 24.969182
      )
      self.assertAmountsAreEqual(
          indicator.MINUS_DI(barDs, 252, 14)[-1], 21.1988
      )
  
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 34 for calling the TestCase obj's underlying member method code with example usage: obj.testMINUS_DI() without return types