code: public AssertionError failure(String message) {
      AssertionError assertionError = new AssertionError(message);
      removeFestRelatedElementsFromStackTraceIfNeeded(assertionError);
      return assertionError;
    }
docs: Creates a <code>{@link AssertionError}</code> using the given {@code String} as message.
  <p>
  It filters the AssertionError stack trace be default, to have full stack trace use
  {@link #setRemoveFestRelatedElementsFromStackTrace(boolean)}.
  
  @param message the message of the {@code AssertionError} to create.
  @return the created <code>{@link AssertionError}</code>.