code: def test_forward_with_state_per_phone_multiplication(self):
      for s_p_p in [1, 2, 3]:
          input_dummy, input_lengths, _, _ = _create_inputs()
          model = self.get_encoder(s_p_p)
          x, x_len = model(input_dummy, input_lengths)
          self.assertEqual(x.shape[1], input_dummy.shape[1] * s_p_p)
  
imports: import os
  import random
  import unittest
  from copy import deepcopy
  import torch
  from tests import get_tests_output_path
  from TTS.tts.configs.overflow_config import OverflowConfig
  from TTS.tts.layers.overflow.common_layers import Encoder, Outputnet, OverflowUtils
  from TTS.tts.layers.overflow.decoder import Decoder
  from TTS.tts.layers.overflow.neural_hmm import EmissionModel, NeuralHMM, TransitionModel
  from TTS.tts.models.overflow import Overflow
  from TTS.tts.utils.helpers import sequence_mask
  from TTS.utils.audio import AudioProcessor
label_desc: Use image node_id 2 for calling the TestOverflowEncoder obj's underlying member method code with example usage: obj.test_forward_with_state_per_phone_multiplication() without return types