text: import numpy as np
  import pytest
  
  from pandas.core.arrays import integer_array
  from pandas.core.arrays.integer import (
      Int8Dtype,
      Int16Dtype,
      Int32Dtype,
      Int64Dtype,
      UInt8Dtype,
      UInt16Dtype,
      UInt32Dtype,
      UInt64Dtype,
  )
  
  
  @pytest.fixture(
      params=[
          Int8Dtype,
          Int16Dtype,
          Int32Dtype,
          Int64Dtype,
          UInt8Dtype,
          UInt16Dtype,
          UInt32Dtype,
          UInt64Dtype,
      ]
  )
  def dtype(request):
      return request.param()
  
  
  @pytest.fixture
  def data(dtype):
      return integer_array(
          list(range(8)) + [np.nan] + list(range(10, 98)) + [np.nan] + [99, 100],
          dtype=dtype,
      )
  
  
  @pytest.fixture
  def data_missing(dtype):
      return integer_array([np.nan, 1], dtype=dtype)
  
  
  @pytest.fixture(params=["data", "data_missing"])
  def all_data(request, data, data_missing):
      """Parametrized fixture giving 'data' and 'data_missing'"""
      if request.param == "data":
          return data
      elif request.param == "data_missing":
          return data_missing
  