patch 9.1.0989: Vim9: Whitespace after the final enum value causes a syntax error

Problem:  Vim9: Whitespace after the final enum value causes a syntax
          error
Solution: Fix parsing to allow whitespace after the final enum value.
          (Doug Kearns)

closes: #16383

Signed-off-by: Doug Kearns <dougkearns@gmail.com>
Signed-off-by: Yegappan Lakshmanan <yegappan@yahoo.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/testdir/test_codestyle.vim b/src/testdir/test_codestyle.vim
index 83f52ef..51c1209 100644
--- a/src/testdir/test_codestyle.vim
+++ b/src/testdir/test_codestyle.vim
@@ -85,6 +85,7 @@
             && fname !~ 'test_let.vim'
             && fname !~ 'test_tagjump.vim'
             && fname !~ 'test_vim9_cmd.vim'
+            && fname !~ 'test_vim9_enum.vim'
       cursor(1, 1)
       var lnum = search(
           fname =~ 'test_vim9_assign.vim' ? '[^=]\s$'