tests: fix love.graphics.setDepthMode test

testing/conf.lua

@@ -4,5 +4,7 @@ function love.conf(t)
   t.window.width = 360
   t.window.height = 240
   t.window.resizable = true
+  t.window.depth = true
+  t.window.stencil = true
   t.renderers = {"opengl"}
 end

testing/main.lua

@@ -36,7 +36,7 @@ love.load = function(args)
 
   -- setup basic img to display
   if love.window ~= nil then
-    love.window.setMode(360, 240, {
+    love.window.updateMode(360, 240, {
       fullscreen = false,
       resizable = true,
       centered = true