code: def test_series_constructor_with_astype():
      ndarray = np.array([1, 2, 3])
      result = pd.Series(NumpyExtensionArray(ndarray), dtype="float64")
      expected = pd.Series([1.0, 2.0, 3.0], dtype="float64")
      tm.assert_series_equal(result, expected)
  
imports: import numpy
  import pytest
  from pandas.core.dtypes.dtypes import NumpyEADtype
  import pandas
  import pandas._testing
  from pandas.arrays import NumpyExtensionArray
label_desc: Use image node_id 9 for calling a global function with example usage: test_series_constructor_with_astype() without return types