### Question:
CheckStyleIssueReporter implements IssueReporter { @Override public String getId() { return ID; }  @Override void setReportFileName(String reportFileName); @Override void start(); @Override void file(String fileName); @Override void issue(Issue issue); @Override void end(); @Override String getId(); static final String ID; }### Answer:
@Test public void identifiedAsCheckstyle() throws Exception { assertEquals("ID", "checkstyle", reporter.getId()); }