Relax screenshot test for loaded scene. Due to the animator start the scene...

Relax screenshot test for loaded scene. Due to the animator start the scene looks different each time.

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@3823 dfc29bdd-3216-0410-991c-e03cc46cb475

tests/ioScene.cpp

@@ -94,7 +94,10 @@ static bool loadScene(void)
 	{
 		smgr->drawAll();
 		driver->endScene();
-		result = takeScreenshotAndCompareAgainstReference(driver, "-loadScene.png", 98.91f);
+		// we need to be very sloppy, because the animators will produce a different
+		// start depending on the actual loading time. 97% seems to be safe, as removing
+		// an object produces values around 95%
+		result = takeScreenshotAndCompareAgainstReference(driver, "-loadScene.png", 97.4f);
 		if (!result)
 			logTestString("Rendering the loaded scene failed.\n");
 	}