code: def test_constructor_timedelta64_values_mismatched_dtype(self):
      # check we don't silently ignore the dtype keyword
      tdi = timedelta_range("4 Days", periods=5)
      result = Index(tdi, dtype="category")
      expected = CategoricalIndex(tdi)
      tm.assert_index_equal(result, expected)
  
imports: from datetime import datetime, timedelta, timezone
  from decimal import Decimal
  import numpy
  import pytest
  from pandas._libs.tslibs.timezones import maybe_get_tz
  from pandas import NA, Categorical, CategoricalIndex, DatetimeIndex, Index, IntervalIndex, MultiIndex, NaT, PeriodIndex, Series, TimedeltaIndex, Timestamp, array, date_range, period_range, timedelta_range
  import pandas._testing
label_desc: Use image node_id 7 for calling the TestDtypeEnforced obj's underlying member method code with example usage: obj.test_constructor_timedelta64_values_mismatched_dtype() without return types