### Question:
ShellTask extends AbstractTask { @Override public void cancelApplication(boolean cancelApplication) throws Exception { shellCommandExecutor.cancelApplication(); } ShellTask(TaskExecutionContext taskExecutionContext, Logger logger); @Override void init(); @Override void handle(); @Override void cancelApplication(boolean cancelApplication); @Override AbstractParameters getParameters();  }### Answer:
@Test public void testCancelApplication() throws Exception { try { shellTask.cancelApplication(true); Assert.assertTrue(true); } catch (Error | Exception e) { logger.error(e.getMessage()); } }