tests: add basic test for Scene.rebuildGeometry()
tests: add basic test for Scene.rebuildGeometry()

ceseale/tangram,tangrams/tangram,taylorhxu/tangram,zerebubuth/tangram,taylorhxu/tangram,DHaylock/tangram,taylorhxu/tangram,ceseale/tangram,tangrams/tangram,TitoAgudelo/tangram,rosamcgee/tangram,zerebubuth/tangram,rosamcgee/tangram,ceseale/tangram,xvilan/tangram,xvilan/tangram,DHaylock/tangram,TitoAgudelo/tangram,rosamcgee/tangram,TitoAgudelo/tangram,DHaylock/tangram,xvilan/tangram,zerebubuth/tangram