You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: tmodel.m
    path of file: ./repos/transformer-models/test/gpt2
    
    the code of the file until where you have to start completion: classdef(SharedTestFixtures = {DownloadGPT2Fixture}) tmodel < matlab.unittest.TestCase
    % tmodel   Tests for gpt2.model
    
    % Copyright 2020-2021 The MathWorks, Inc.
    
    properties(Constant)
   
    
function canUseModel(test, InputData)
            X = InputData;
            [pasts, parameters] = test.prepareInputs();
            test.verifyWarningFree(@() test.model(X, pasts, parameters));
        end
        
        function canAcceptBatches(test)
            % gpt2.model should be able to accept multiple observations
            % with the same sequence length
            
            % Create inputs
            [pasts, parameters] = test.prepareInputs();
            numObs = 4;
            seqLen = 5;
            vocabSize = size( parameters.Weights.wte_0, 2 );
            X = randi(vocabSize, [1 seqLen numObs]);
            
            % Get batch results
            Ybatch = test.model(X, pasts, parameters);
            
            % Iterate over batch
            YperObs = dlarray(zeros([vocabSize seqLen numObs], 'single'));
            for i = 1:numObs
                YperObs(:, :, i) = test.model(X(:, :, i), pasts, parameters);
            end