Add test for a PAC get without content length
Add test for a PAC get without content length

libproxy/libproxy,horar/libproxy,horar/libproxy,horar/libproxy,horar/libproxy,libproxy/libproxy,horar/libproxy,libproxy/libproxy,libproxy/libproxy,libproxy/libproxy,libproxy/libproxy,horar/libproxy,libproxy/libproxy,horar/libproxy