patch 8.2.0369: various Normal mode commands not fully tested

Problem:    Various Normal mode commands not fully tested.
Solution:   Add more tests. (Yegappan Lakshmanan, closes #5751)
diff --git a/src/testdir/test_put.vim b/src/testdir/test_put.vim
index 225ebd1..e9d3fc5 100644
--- a/src/testdir/test_put.vim
+++ b/src/testdir/test_put.vim
@@ -113,3 +113,15 @@
   call assert_equal('select that text', getline(2))
   bwipe!
 endfunc
+
+" Test for deleting all the contents of a buffer with a put
+func Test_put_visual_delete_all_lines()
+  new
+  call setline(1, ['one', 'two', 'three'])
+  let @r = ''
+  normal! VG"rgp
+  call assert_equal(1, line('$'))
+  close!
+endfunc
+
+" vim: shiftwidth=2 sts=2 expandtab