code: public boolean isSimilar(Execution execution)
      {
          return  execution != null &&
                  errors == execution.getErrors() &&
                  failures == execution.getFailures() &&
                  success == execution.getSuccess() &&
                  ignored == execution.getIgnored() &&
                  StringUtil.isEquals(executionErrorId, execution.getExecutionErrorId()) &&
                  StringUtil.isEquals(results, execution.getResults());
      }
docs: <p>isSimilar.</p>
  
  @param execution a {@link com.greenpepper.server.domain.Execution} object.
  @return a boolean.