Add lua global var test back

scripts/data/integration_tests/test_lua_api/test.lua

@@ -2,6 +2,7 @@ local testing = require('testing_util')
 local core = require('openmw.core')
 local async = require('openmw.async')
 local util = require('openmw.util')
+local world = require('openmw.world')
 
 local function testTimers()
     testing.expectAlmostEqual(core.getGameTimeScale(), 30, 'incorrect getGameTimeScale() result')
@@ -64,6 +65,28 @@ local function testGetGMST()
     testing.expectEqual(core.getGMST('Level_Up_Level2'), 'something')
 end
 
+local function testMWScript()
+    local variableStoreCount = 18
+    local variableStore = world.mwscript.getGlobalVariables(player)
+    testing.expectEqual(variableStoreCount,#variableStore)
+    
+    variableStore.year = variableStoreCount
+    testing.expectEqual(variableStoreCount,variableStore.year)
+    variableStore.year = 1
+    local indexCheck = 0
+    for index, value in ipairs(variableStore) do
+        testing.expectEqual(variableStore[index],value)
+        indexCheck = indexCheck + 1
+    end
+    testing.expectEqual(variableStoreCount,indexCheck)
+    indexCheck = 0
+    for index, value in pairs(variableStore) do
+        testing.expectEqual(variableStore[index],value)
+        indexCheck = indexCheck + 1
+    end
+    testing.expectEqual(variableStoreCount,indexCheck)
+end
+
 local function initPlayer()
     player:teleport('', util.vector3(4096, 4096, 867.237), util.transform.identity)
     coroutine.yield()
@@ -101,6 +124,7 @@ tests = {
     end},
     {'teleport', testTeleport},
     {'getGMST', testGetGMST},
+    {'mwscript', testMWScript},
 }
 
 return {