patch 8.0.0890: still many old style tests
Problem: Still many old style tests.
Solution: Convert several tests to new style. (Yegappan Lakshmanan)
diff --git a/src/Makefile b/src/Makefile
index ca8b1a3..de4b240 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -2169,6 +2169,7 @@
test_functions \
test_ga \
test_getcwd \
+ test_getvar \
test_gf \
test_glob2regpat \
test_global \
@@ -2180,6 +2181,7 @@
test_help \
test_help_tagjump \
test_hide \
+ test_highlight \
test_history \
test_hlsearch \
test_increment \