patch 8.2.1989: info popup triggers WinEnter and WinLeave autocommands

Problem:    Info popup triggers WinEnter and WinLeave autocommands.
Solution:   Suppress autocommands for the info popup. (closes #7296)
diff --git a/src/testdir/test_popupwin.vim b/src/testdir/test_popupwin.vim
index fdfa305..e5d4697 100644
--- a/src/testdir/test_popupwin.vim
+++ b/src/testdir/test_popupwin.vim
@@ -3243,6 +3243,10 @@
 	  call popup_show(id)
 	endif
       endfunc
+
+      " Check that no autocommands are triggered for the info popup
+      au WinEnter * if win_gettype() == 'popup' | call setline(2, 'WinEnter') | endif
+      au WinLeave * if win_gettype() == 'popup' | call setline(2, 'WinLeave') | endif
   END
   return lines
 endfunc