code: def test_low_val_range(byte_arr):
      """A low value <0 should fail gracefully."""
  
      # Bad low value
      with pytest.raises(
          ValueError,
          match="`low` should be greater than or equal to 0.",
      ):
          es.bytescale(byte_arr, low=-100)
  
file_path: earthpy/earthpy/tests/test_bytescale.py
imports: import pytest
  import numpy
  import earthpy.spatial
label_desc: Use image node_id 4 for calling a global function with example usage: test_low_val_range(byte_arr) without return types