code: def test_get_design_from_fslmat(tmp_path):
      fsl_mat_path = os.path.join(str(tmp_path), "fsl_mat.txt")
      matrix = np.ones((5, 5))
      with open(fsl_mat_path, "w") as fsl_mat:
          fsl_mat.write("/Matrix\n")
          for row in matrix:
              for val in row:
                  fsl_mat.write(str(val) + "\t")
              fsl_mat.write("\n")
  
      design_matrix = get_design_from_fslmat(fsl_mat_path)
      assert design_matrix.shape == matrix.shape
  
imports: import os
  import numpy
  from nilearn.interfaces.fsl import get_design_from_fslmat
label_desc: Use image node_id 1 for calling a global function with example usage: test_get_design_from_fslmat(tmp_path) without return types