Fixed C++ headers test fixture to work with new parser.
Fixed C++ headers test fixture to work with new parser.

KonajuGames/CppSharp,imazen/CppSharp,SonyaSa/CppSharp,nalkaro/CppSharp,genuinelucifer/CppSharp,ddobrev/CppSharp,zillemarco/CppSharp,mohtamohit/CppSharp,u255436/CppSharp,Samana/CppSharp,mono/CppSharp,inordertotest/CppSharp,u255436/CppSharp,ddobrev/CppSharp,mohtamohit/CppSharp,genuinelucifer/CppSharp,SonyaSa/CppSharp,SonyaSa/CppSharp,KonajuGames/CppSharp,mydogisbox/CppSharp,mono/CppSharp,mydogisbox/CppSharp,mohtamohit/CppSharp,txdv/CppSharp,mono/CppSharp,genuinelucifer/CppSharp,SonyaSa/CppSharp,inordertotest/CppSharp,nalkaro/CppSharp,mono/CppSharp,imazen/CppSharp,imazen/CppSharp,inordertotest/CppSharp,KonajuGames/CppSharp,xistoso/CppSharp,mydogisbox/CppSharp,zillemarco/CppSharp,ktopouzi/CppSharp,mydogisbox/CppSharp,xistoso/CppSharp,nalkaro/CppSharp,zillemarco/CppSharp,ktopouzi/CppSharp,ktopouzi/CppSharp,ddobrev/CppSharp,KonajuGames/CppSharp,ktopouzi/CppSharp,mohtamohit/CppSharp,txdv/CppSharp,imazen/CppSharp,Samana/CppSharp,Samana/CppSharp,txdv/CppSharp,KonajuGames/CppSharp,xistoso/CppSharp,zillemarco/CppSharp,Samana/CppSharp,u255436/CppSharp,ktopouzi/CppSharp,imazen/CppSharp,xistoso/CppSharp,mono/CppSharp,inordertotest/CppSharp,inordertotest/CppSharp,genuinelucifer/CppSharp,mohtamohit/CppSharp,mydogisbox/CppSharp,txdv/CppSharp,zillemarco/CppSharp,nalkaro/CppSharp,ddobrev/CppSharp,Samana/CppSharp,u255436/CppSharp,SonyaSa/CppSharp,txdv/CppSharp,ddobrev/CppSharp,u255436/CppSharp,nalkaro/CppSharp,mono/CppSharp,xistoso/CppSharp,genuinelucifer/CppSharp