dump the report out when it fails

Makefile

@@ -11,6 +11,6 @@ _ggated=	ggated
 .PHONY: devtest
 
 devtest:
-	find [gst]* -type f -name '*.c' -o -name 'Makefile*' -o -name '*.sh' -o -name '*.8' | entr sh -c 'make -j 4 && make install -j 4 && kyua test -k /usr/tests/Kyuafile sys/geom/class/gate'
+	find [gst]* -type f -name '*.c' -o -name 'Makefile*' -o -name '*.sh' -o -name '*.8' | entr sh -c 'make -j 4 && make install -j 4 && (kyua test -k /usr/tests/Kyuafile sys/geom/class/gate || (cd /usr/tests && kyua report --verbose))'
 
 .include <bsd.subdir.mk>