The recent changes to gobject introspection, cause gjs make test to fail with the following log:

$ make test
g-ir-scanner --include=Gio-2.0 \
	--namespace=WarnLib --nsversion=1.0 \
	--identifier-prefix=WarnLib_ \
	--symbol-prefix=warnlib_ \
	--library=libwarnlib.la \
	--libtool="./libtool" \
	--output WarnLib-1.0.gir \
	/usr/share/gobject-introspection-1.0/tests/warnlib.c /usr/share/gobject-introspection-1.0/tests/warnlib.h
g-ir-scanner: compile: gcc -Wall -pthread -I/usr/include/glib-2.0 -I/usr/lib/x86_64-linux-gnu/glib-2.0/include -Wall -g -O0 -fno-omit-frame-pointer -I/usr/include/gio-unix-2.0/ -I/usr/include/glib-2.0 -I/usr/lib/x86_64-linux-gnu/glib-2.0/include -c -o /usr/local/src/ubuntu/apt/gjs-1.35.5~git20130121.7cde1715/tmp-introspectFlj9OT/WarnLib-1.0.o /usr/local/src/ubuntu/apt/gjs-1.35.5~git20130121.7cde1715/tmp-introspectFlj9OT/WarnLib-1.0.c
g-ir-scanner: link: ./libtool --mode=link --tag=CC gcc -o /usr/local/src/ubuntu/apt/gjs-1.35.5~git20130121.7cde1715/tmp-introspectFlj9OT/WarnLib-1.0 -export-dynamic -Wall -g -O0 -fno-omit-frame-pointer -L/opt/gnome/lib64 -L/opt/gnome/lib64 /usr/local/src/ubuntu/apt/gjs-1.35.5~git20130121.7cde1715/tmp-introspectFlj9OT/WarnLib-1.0.o -L. libwarnlib.la -Wl,--export-dynamic -pthread -lgio-2.0 -lgobject-2.0 -lgmodule-2.0 -lglib-2.0
libtool: link: gcc -o /usr/local/src/ubuntu/apt/gjs-1.35.5~git20130121.7cde1715/tmp-introspectFlj9OT/.libs/WarnLib-1.0 -Wall -g -O0 -fno-omit-frame-pointer /usr/local/src/ubuntu/apt/gjs-1.35.5~git20130121.7cde1715/tmp-introspectFlj9OT/WarnLib-1.0.o -Wl,--export-dynamic -pthread -Wl,--export-dynamic  -L/opt/gnome/lib64 -L. ./.libs/libwarnlib.so -lgio-2.0 -lgobject-2.0 -lgmodule-2.0 -lglib-2.0 -pthread -Wl,-rpath -Wl,/usr/unused
<unknown>:: Fatal: WarnLib: Unknown namespace for identifier 'WarnLibWhatever'
<unknown>:: Fatal: WarnLib: Unknown namespace for identifier 'WarnLibWhatever'