Fix #717 (hover highlight works in test mode)

Author: ArranTuna

[editor]/editor_gui/client/test.lua

@@ -273,3 +273,16 @@ addEventHandler ( "saveloadtest_return", root,
 		end
 	end
 )
+
+function isTesting()
+	local editor = getResourceFromName("editor_main")
+    if not editor or getResourceState(editor) ~= "running" then
+        return false
+    end
+	-- Full test?
+    if getElementData(getResourceRootElement(editor), "g_in_test") then
+        return true
+    end
+	-- Baisc test?
+	return inBasicTest
+end

[editor]/editor_gui/meta.xml

@@ -57,6 +57,7 @@
 	<export function="restoreSaveDialog" type="client" />
 	<export function="stopTest" type="client" />
 	<export function="restoreSelectedElement" type="client" />
+	<export function="isTesting" type="client" />
 
 	<!-- MessageBox exports -->
 	<export function="newCallback" type="client" />

[editor]/editor_main/client/gridlines.lua

@@ -426,7 +426,7 @@ local function drawBoundingBox(corners, r, g, b, a)
 end
 
 function renderHoverOverGridLines()
-    if not exports["editor_gui"]:sx_getOptionData("enableHoverBoundingBox") then
+    if not exports["editor_gui"]:sx_getOptionData("enableHoverBoundingBox") or exports.editor_gui:isTesting() then
         highlightedElement = nil
         return
     end