patch 8.0.1447: still too many old style tests

Problem:    Still too many old style tests.
Solution:   Turn a few tests into new style. (Yegappan Lakshmanan,
            closes #2509)
diff --git a/src/testdir/Make_all.mak b/src/testdir/Make_all.mak
index 050882c..4626d80 100644
--- a/src/testdir/Make_all.mak
+++ b/src/testdir/Make_all.mak
@@ -15,9 +15,7 @@
 SCRIPTS_ALL = \
 	test3.out \
 	test14.out \
-	test15.out \
 	test29.out \
-	test36.out \
 	test37.out \
 	test39.out \
 	test42.out \
@@ -57,7 +55,7 @@
 
 
 # Tests specifically for MS-Windows.
-SCRIPTS_WIN32 = test50.out
+SCRIPTS_WIN32 =
 
 
 # Tests for the GUI.
@@ -158,6 +156,7 @@
 	    test_ruby.res \
 	    test_scrollbind.res \
 	    test_search.res \
+	    test_shortpathname.res \
 	    test_signs.res \
 	    test_smartindent.res \
 	    test_spell.res \