patch 8.0.0890: still many old style tests

Problem:    Still many old style tests.
Solution:   Convert several tests to new style. (Yegappan Lakshmanan)

Author: brammool

src/Makefile

@@ -2169,6 +2169,7 @@ test_arglist \
 	test_functions \
 	test_ga \
 	test_getcwd \
+	test_getvar \
 	test_gf \
 	test_glob2regpat \
 	test_global \
@@ -2180,6 +2181,7 @@ test_arglist \
 	test_help \
 	test_help_tagjump \
 	test_hide \
+	test_highlight \
 	test_history \
 	test_hlsearch \
 	test_increment \

src/testdir/Make_all.mak

@@ -38,7 +38,6 @@ SCRIPTS_ALL = \
 	test44.out \
 	test45.out \
 	test48.out \
-	test51.out \
 	test53.out \
 	test55.out \
 	test56.out \
@@ -53,12 +52,9 @@ SCRIPTS_ALL = \
 	test79.out \
 	test80.out \
 	test88.out \
-	test91.out \
 	test94.out \
 	test95.out \
 	test99.out \
-	test103.out \
-	test107.out \
 	test108.out \
 	test_autoformat_join.out \
 	test_changelist.out \
@@ -140,13 +136,15 @@ NEW_TESTS = test_arabic.res \
 	    test_file_size.res \
 	    test_fnameescape.res \
 	    test_fold.res \
+	    test_getvar.res \
 	    test_gf.res \
 	    test_gn.res \
 	    test_gui.res \
 	    test_gui_init.res \
 	    test_hardcopy.res \
 	    test_help.res \
 	    test_hide.res \
+	    test_highlight.res \
 	    test_history.res \
 	    test_hlsearch.res \
 	    test_increment.res \

src/testdir/Make_vms.mms

@@ -81,17 +81,16 @@ SCRIPT = test1.out  test3.out  test4.out  test5.out  \
        test33.out test34.out test36.out test37.out \
        test38.out test39.out test40.out test41.out test42.out \
        test43.out test44.out test45.out \
-       test48.out test49.out test51.out test53.out test54.out \
+       test48.out test49.out test53.out test54.out \
        test55.out test56.out test57.out test60.out \
        test64.out \
        test66.out test68.out test69.out \
        test72.out \
        test77a.out test78.out test79.out test80.out \
        test88.out \
-       test91.out test94.out \
+       test94.out \
        test95.out test99.out \
-       test103.out \
-       test107.out test108.out\
+       test108.out\
        test_autocmd_option.out \
        test_autoformat_join.out \
        test_breakindent.out \