code: def test_residual_block_asymmetric_pad_future_contexts(self):
      # test future contexts at various values
      # 0 = no future context
      # 2 = limited future context
      # 5 = symmetric context
      # 8 = excess future context (more future context than present or past context)
      future_contexts = [0, 2, 5, 8]
      for future_context in future_contexts:
          print(future_context)
          config = self.jasper_base_config(
              future_context=future_context
          )
          act = jasper.jasper_activations.get(
              config.pop("activation")
          )()
  
          block = jasper.JasperBlock(**config, activation=act)
  
          x = torch.randn(1, 16, 131)
          xlen = torch.tensor([131])
          y, ylen = block(([x], xlen))
  
          self.check_module_exists(block, torch.nn.ConstantPad1d)
          self.check_module_exists(block, jasper.MaskedConv1d)
  
          assert isinstance(block, jasper.JasperBlock)
          assert y[0].shape == torch.Size([1, config["planes"], 131])
          assert ylen[0] == 131
          assert block.mconv[0].pad_layer is not None
          assert block.mconv[0]._padding == (
              config["kernel_size"][0] - 1 - future_context,
              future_context,
          )
  
imports: import pytest
  import torch
  from nemo.collections.asr.parts.submodules import jasper
label_desc: Use image node_id 14 for calling the TestJasperBlock obj's underlying member method code with example usage: obj.test_residual_block_asymmetric_pad_future_contexts() without return types