class_docstr: Test timedelta converter
class_docstr_tok: ["Test","timedelta","converter"]
code: def test_format_timedelta_ticks(self, x, decimal, format_expected):
      tdc = converter.TimeSeries_TimedeltaFormatter
      result = tdc.format_timedelta_ticks(
          x, pos=None, n_decimals=decimal
      )
      assert result == format_expected
  
imports: from datetime import date, datetime
  import subprocess
  import sys
  import numpy
  import pytest
  import pandas._config.config
  from pandas._libs.tslibs import to_offset
  from pandas import Index, Period, PeriodIndex, Series, Timestamp, arrays, date_range
  import pandas._testing
  from pandas.plotting import deregister_matplotlib_converters, register_matplotlib_converters
  from pandas.tseries.offsets import Day, Micro, Milli, Second
label_desc: Use image node_id 1 for calling the TestTimeDeltaConverter obj's underlying member method code with example usage: obj.test_format_timedelta_ticks(x, decimal, format_expected) without return types