patch 8.1.1180: Vim script debugger tests are old style

Problem:    Vim script debugger tests are old style.
Solution:   Turn into new style tests. (Yegappan Lakshmanan, closes #4259)
diff --git a/src/testdir/Make_all.mak b/src/testdir/Make_all.mak
index 97cd166..e5ef45d 100644
--- a/src/testdir/Make_all.mak
+++ b/src/testdir/Make_all.mak
@@ -28,7 +28,6 @@
 	test94.out \
 	test95.out \
 	test99.out \
-	test108.out \
 	test_eval.out
 
 
@@ -97,6 +96,7 @@
 	test_cscope \
 	test_cursor_func \
 	test_curswant \
+	test_debugger \
 	test_delete \
 	test_diffmode \
 	test_digraph \
@@ -312,6 +312,7 @@
 	test_crypt.res \
 	test_cscope.res \
 	test_curswant.res \
+	test_debugger.res \
 	test_diffmode.res \
 	test_digraph.res \
 	test_display.res \