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-rw-r--r--test/functional/eval/string_spec.lua1
1 files changed, 1 insertions, 0 deletions
diff --git a/test/functional/eval/string_spec.lua b/test/functional/eval/string_spec.lua
index 0fd7587edb..abda2c59cb 100644
--- a/test/functional/eval/string_spec.lua
+++ b/test/functional/eval/string_spec.lua
@@ -8,6 +8,7 @@ local exc_exec = helpers.exc_exec
local redir_exec = helpers.redir_exec
local funcs = helpers.funcs
local write_file = helpers.write_file
+local NIL = helpers.NIL
describe('string() function', function()
before_each(clear)