patch 9.0.2092: tests: failure in test_arabic

Problem:  tests: failure in test_arabic
Solution: adjust the test for the changed arabic keymap

Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/testdir/test_arabic.vim b/src/testdir/test_arabic.vim
index 73b85c4..d2f28d8 100644
--- a/src/testdir/test_arabic.vim
+++ b/src/testdir/test_arabic.vim
@@ -74,9 +74,9 @@
 func Test_arabic_toggle_keymap()
   new
   set arabic
-  call feedkeys("i12\<C-^>12\<C-^>12", 'tx')
-  call assert_match("^ *٢١21٢١$", ScreenLines(1, &columns)[0])
-  call assert_equal('١٢12١٢', getline('.'))
+  call feedkeys("i12\<C-^>12\<C-^>12abcd", 'tx')
+  call assert_match("^ *.*ﺷ212121$", ScreenLines(1, &columns)[0])
+  call assert_equal('121212شلاؤي', getline('.'))
   set arabic&
   bwipe!
 endfunc