vim-patch:9.0.0607: verbose echo message test fails on Mac OS

Problem:    Verbose echo message test fails on Mac OS.
Solution:   Skip the test on Mac OS.

f802767df7

Co-authored-by: Bram Moolenaar <Bram@vim.org>

test/old/testdir/check.vim

@@ -108,6 +108,22 @@ func CheckNotBSD()
   endif
 endfunc
 
+" Command to check for not running on a MacOS
+command CheckNotMac call CheckNotMac()
+func CheckNotMac()
+  if has('mac')
+    throw 'Skipped: does not work on MacOS'
+  endif
+endfunc
+
+" Command to check for not running on a MacOS M1 system.
+command CheckNotMacM1 call CheckNotMacM1()
+func CheckNotMacM1()
+  if has('mac') && system('uname -a') =~ '\<arm64\>'
+    throw 'Skipped: does not work on MacOS M1'
+  endif
+endfunc
+
 " Command to check that making screendumps is supported.
 " Caller must source screendump.vim
 command CheckScreendump call CheckScreendump()

test/old/testdir/test_messages.vim

@@ -379,7 +379,8 @@ endfunc
 " Test verbose message before echo command
 func Test_echo_verbose_system()
   CheckRunVimInTerminal
-  CheckUnix
+  CheckUnix    " needs the "seq" command
+  CheckNotMac  " doesn't use /tmp
 
   let buf = RunVimInTerminal('', {'rows': 10})
   call term_sendkeys(buf, ":4 verbose echo system('seq 20')\<CR>")