code: def test_get_dimension_is_correct(self):
      feedforward = FeedForward(
          input_dim=10,
          num_layers=1,
          hidden_dims=10,
          activations=Activation.by_name("linear")(),
      )
      encoder = FeedForwardEncoder(feedforward)
      assert encoder.get_input_dim() == feedforward.get_input_dim()
      assert encoder.get_output_dim() == feedforward.get_output_dim()
  
file_path: allennlp/tests/modules/seq2seq_encoders/feedforward_encoder_test.py
imports: import torch
  import numpy
  from allennlp.common.testing import AllenNlpTestCase
  from allennlp.modules import FeedForward
  from allennlp.modules.seq2seq_encoders.feedforward_encoder import FeedForwardEncoder
  from allennlp.nn import Activation
label_desc: Use image node_id 1 for calling the TestFeedforwardEncoder obj's underlying member method code with example usage: obj.test_get_dimension_is_correct() without return types