code: def test_combine_partial_no_file(self):
      self.write_svgs([TEST_SVG_B])
      with self.assertRaises(FileNotFoundError):
          self.combine_svgs([TEST_SVG_A, TEST_SVG_B])
  
file_path: tensorboard/tensorboard/tools/mat_bundle_icon_svg_test.py
imports: import dataclasses
  import os
  from tensorboard import test
  from tensorboard.tools import mat_bundle_icon_svg
label_desc: Use image node_id 7 for calling the MatBundleIconSvgTest obj's underlying member method code with example usage: obj.test_combine_partial_no_file() without return types