patch 9.0.1576: users may not know what to do with an internal error
Problem: Users may not know what to do with an internal error.
Solution: Add a translated message with instructions.
diff --git a/src/testdir/test_expr.vim b/src/testdir/test_expr.vim
index 68cbeb5..f7f6e65 100644
--- a/src/testdir/test_expr.vim
+++ b/src/testdir/test_expr.vim
@@ -25,7 +25,7 @@
call assert_fails('echo base.method > instance.method')
call assert_equal(0, test_null_function() == function('min'))
call assert_equal(1, test_null_function() == test_null_function())
- call assert_fails('eval 10 == test_unknown()', 'E685:')
+ call assert_fails('eval 10 == test_unknown()', ['E340:', 'E685:'])
endfunc
func Test_version()