patch 8.2.0493: Vim9: some error messages not tested
Problem: Vim9: some error messages not tested.
Solution: Add more tests. Fix uncovered bugs.
diff --git a/runtime/doc/eval.txt b/runtime/doc/eval.txt
index 74c3d1c..3c0a1ae 100644
--- a/runtime/doc/eval.txt
+++ b/runtime/doc/eval.txt
@@ -2861,6 +2861,7 @@
test_null_blob() Blob null value for testing
test_null_channel() Channel null value for testing
test_null_dict() Dict null value for testing
+test_null_function() Funcref null value for testing
test_null_job() Job null value for testing
test_null_list() List null value for testing
test_null_partial() Funcref null value for testing