source: class ChannelTest {
  
      private static HFClient hfclient;
      private static Channel shutdownChannel;
      private static final String BAD_STUFF;
      private static Orderer throwOrderer;
      private static Channel throwChannel;
      private static final String CHANNEL_NAME;
      @Rule
      public ExpectedException thrown;
      static final String CHANNEL_NAME2;
  
      @Test
      public void testChannelsendInstantiationProposalNull() throws Exception {
  
target: 
          thrown.expect(InvalidArgumentException.class);
          thrown.expectMessage("InstantiateProposalRequest is null");
  
          final Channel channel = createRunningChannel(null);
  
          channel.sendInstantiationProposal(null);
  
      }
  
  }