oldtests: finish port of 8.0.1224

src/nvim/testdir/test_autocmd.vim

@@ -253,16 +253,15 @@ func Test_BufReadCmdHelp()
   au BufReadCmd * e +h
   help
 
-  helpclose
   au! BufReadCmd
 endfunc
 
 func Test_BufReadCmdHelpJump()
   " This used to cause access to free memory
   au BufReadCmd * e +h{
-  help
+  " } to fix highlighting
+  call assert_fails('help', 'E434:')
 
-  helpclose
   au! BufReadCmd
 endfunc
 

test/functional/legacy/packadd_spec.lua

@@ -15,7 +15,7 @@ describe('packadd', function()
 
     source([=[
       func SetUp()
-        let s:topdir = expand(expand('%:p:h') . '/Xdir')
+        let s:topdir = expand(getcwd() . '/Xdir')
         exe 'set packpath=' . s:topdir
         let s:plugdir = expand(s:topdir . '/pack/mine/opt/mytest')
       endfunc