Test cases which test the implementation of BraceReduction
may extend this abstract class to acquire a convenience
function for determining the state of the current token.
version: $Id: BraceReductionTestCase.java 4255 2007-08-28 19:17:37Z mgricken $
Convenience function to insert a number of non-special characters into a reduced model.
Parameters: model - the model being modified Parameters: size - the number of characters being inserted