code: def test_eq(self):
      seriesA = TimeSeries.from_dataframe(self.dataframe1)
      assert self.series1 == seriesA
      assert not (self.series1 != seriesA)
  
      # with different dates
      dataframeB = self.dataframe1.copy()
      dataframeB.index = pd.date_range("20130102", "20130111")
      seriesB = TimeSeries.from_dataframe(dataframeB)
      assert not (self.series1 == seriesB)
  
      # with one different value
      dataframeC = self.dataframe1.copy()
      dataframeC.iloc[2, 2] = 0
      seriesC = TimeSeries.from_dataframe(dataframeC)
      assert not (self.series1 == seriesC)
  
imports: import numpy
  import pandas
  import pytest
  from darts import TimeSeries
  from darts.tests.test_timeseries import TestTimeSeries
label_desc: Use image node_id 2 for calling the TestTimeSeriesMultivariate obj's underlying member method code with example usage: obj.test_eq() without return types