add a unit test for wesnoth.require

data/test/scenarios/test_require.cfg

@@ -0,0 +1,13 @@
+{GENERIC_UNIT_TEST "lua_require" (
+  [event]
+    name = prestart
+    [lua]
+      code = << H = wesnoth.require("lua/helper.lua")
+		A = wesnoth.require("ai/lua/extCAexample.lua")
+		result = H and A and true
+                wesnoth.set_variable("result", result and "true" or "false") >>
+    [/lua]
+
+    {RETURN ({VARIABLE_CONDITIONAL result boolean_equals true})}
+  [/event]
+)}

wml_test_schedule

@@ -86,6 +86,7 @@
 # LUA
 #
 0 lua_dofile
+0 lua_require
 #
 # Pathfinding
 #