generator.genRecognizer();
int expectedMsgID = ErrorManager.MSG_REWRITE_ELEMENT_NOT_PRESENT_ON_LHS;
Object expectedArg = "b";
Object expectedArg2 = null;
GrammarSemanticsMessage expectedMessage =
new GrammarSemanticsMessage(expectedMsgID, g, null, expectedArg, expectedArg2);
checkError(equeue, expectedMessage);
}