'Builds the expected repr for a sentence.
@param sentenceType: The name of the sentence type (e.g "GPGGA").
@type sentenceType: C{str}
@param dataRepr: The repr of the data in the sentence.
@type dataRepr: C{str}
@return: The expected repr of the sentence.
@rtype: C{str}'

def _expectedRepr(self, sentenceType='unknown    type', dataRepr=''):

    clsName = self.sentenceClass.__name__
    return (self.reprTemplate % (clsName, sentenceType, dataRepr))
