patch 8.1.2099: state() test fails on some Mac systems

Problem:    state() test fails on some Mac systems.
Solution:   Increase the wait time. (closes #4983)
diff --git a/src/testdir/test_functions.vim b/src/testdir/test_functions.vim
index 878d343..4f39d87 100644
--- a/src/testdir/test_functions.vim
+++ b/src/testdir/test_functions.vim
@@ -1667,6 +1667,7 @@
   let lines =<< trim END
 	call setline(1, ['one', 'two', 'three'])
 	map ;; gg
+	set complete=.
 	func RunTimer()
 	  call timer_start(10, {id -> execute('let g:state = state()') .. execute('let g:mode = mode()')})
 	endfunc
@@ -1694,9 +1695,9 @@
   call term_sendkeys(buf, getstate)
   call WaitForAssert({-> assert_match('state: mSc; mode: n', term_getline(buf, 6))}, 1000)
 
-  " Insert mode completion
+  " Insert mode completion (bit slower on Mac)
   call term_sendkeys(buf, ":call RunTimer()\<CR>Got\<C-N>")
-  call term_wait(buf, 50)
+  call term_wait(buf, 200)
   call term_sendkeys(buf, "\<Esc>")
   call term_sendkeys(buf, getstate)
   call WaitForAssert({-> assert_match('state: aSc; mode: i', term_getline(buf, 6))}, 1000)