code: def test_frontend_output_size():
      frontend = FusedFrontends(
          fs="16k",
          align_method="linear_projection",
          proj_dim=100,
          frontends=list_frontends,
      )
      assert frontend.output_size() == 100 * len(list_frontends)
  
imports: import torch
  from espnet2.asr.frontend.fused import FusedFrontends
label_desc: Use image node_id 2 for calling a global function with example usage: test_frontend_output_size() without return types