code: def test_stack_return_array(in_paths):
      """Test returning only array."""
  
      # Test valid use case of just getting back the array.
      n_bands = len(in_paths)
      stack_arr, stack_prof = es.stack(in_paths)
      assert (
          stack_arr.shape[0] == n_bands
          and stack_prof["count"] == n_bands
      )
  
file_path: earthpy/earthpy/tests/test_stack.py
imports: import os
  import numpy
  import pytest
  import earthpy.spatial
label_desc: Use image node_id 13 for calling a global function with example usage: test_stack_return_array(in_paths) without return types