patch 8.2.1439: tiny and small builds have no test coverage

Problem:    Tiny and small builds have no test coverage.
Solution:   Restore tests that do not depend on the +eval feature.
            (Ken Takata, closes #6696)
diff --git a/Makefile b/Makefile
index 7774b6e..35119ac 100644
--- a/Makefile
+++ b/Makefile
@@ -32,7 +32,7 @@
 
 # Some make programs use the last target for the $@ default; put the other
 # targets separately to always let $@ expand to "first" by default.
-all install uninstall tools config configure reconfig proto depend lint tags types test scripttests test_libvterm unittests testclean clean distclean:
+all install uninstall tools config configure reconfig proto depend lint tags types test scripttests testtiny test_libvterm unittests testclean clean distclean:
 	@if test ! -f src/auto/config.mk; then \
 		cp src/config.mk.dist src/auto/config.mk; \
 	fi