tests: typo fix

diff --git a/tests/config/test.cfg b/tests/config/test.cfg
index 9efcaf9cdbd8170a5d84c041fc8cfd4ee39e98eb..011e458cafaa2089bd39a4adee60876eb1281b38 100644 (file)
--- a/tests/config/test.cfg
+++ b/tests/config/test.cfg
@@ -36,7 +36,7 @@ worker.coroutine(function ()
        for idx, t in ipairs(tests) do
                assert(type(t) == 'function',
                        string.format('test table idx %d in file %s'
-                               .. 'is not a function', idx, env.TEST_FILE))
+                               .. ' is not a function', idx, env.TEST_FILE))
                at_least_one_test = true
                runtest(t)
        end