test: fix CI

Author: lewis6991

test/preload.lua

@@ -7,6 +7,11 @@ global_helpers.isCI = function(_)
   return false
 end
 
+-- v0.9
+global_helpers.is_ci = function()
+  return false
+end
+
 local helpers = require('test.functional.helpers')(nil)
 local gs_helpers = require('test.gs_helpers')