Issue #14382: Ensure new unittest.test.testmock is installed.
(Original patch by Vinay Sajip)
diff --git a/Makefile.pre.in b/Makefile.pre.in
index 1321162..9c75e3b 100644
--- a/Makefile.pre.in
+++ b/Makefile.pre.in
@@ -1019,7 +1019,7 @@
packaging/tests/pypiserver/with_real_externals/simple/foobar \
turtledemo \
multiprocessing multiprocessing/dummy \
- unittest unittest/test \
+ unittest unittest/test unittest/test/testmock \
curses pydoc_data $(MACHDEPS)
libinstall: build_all $(srcdir)/Lib/$(PLATDIR) $(srcdir)/Modules/xxmodule.c
@for i in $(SCRIPTDIR) $(LIBDEST); \