Include subset test files in distribution.

test/subset/Makefile.am

@@ -9,8 +9,13 @@ SUBDIRS = data
 lib:
 	@$(MAKE) $(AM_MAKEFLAGS) -C $(top_builddir)/src lib
 
+EXTRA_DIST += \
+	run-tests.py \
+	subset_test_suite.py \
+	$(NULL)
+
 CLEANFILES += \
-	subset_test_suite.py[c0] \
+	subset_test_suite.py[co] \
 	$(NULL)
 
 -include $(top_srcdir)/git.mk

test/subset/data/Makefile.am

@@ -5,6 +5,13 @@ EXTRA_DIST =
 CLEANFILES =
 SUBDIRS =
 
+EXTRA_DIST = \
+	$(TESTS) \
+	expected/basics/*.ttf \
+	fonts/*.ttf \
+	profiles/*.txt \
+	$(NULL)
+
 # Convenience targets:
 lib:
 	@$(MAKE) $(AM_MAKEFLAGS) -C $(top_builddir)/src lib