code: @SafeVarargs
    public static void assertDeleted(String message, DataSet... dataSets) throws DBAssertionError {
      multipleDeleteAssertions(CallInfo.create(message), dataSets);
    }
docs: Assert that database changed by removal of given
  data sets (error message variant).
  
  @param message Assertion error message.
  @param dataSets Data sets.
  @throws DBAssertionError if the assertion fails.
  @see #assertDeleted(String,DataSet)
  @since 1.2