| Tests for LayerTreeManager. | |
| == Running test suite: LayerTreeManager | |
| -- Running test case: LayerTreeManager.layersForNode.root | |
| PASS: Returned array should include all layers. | |
| PASS: Array elements should be Layer instances. | |
| -- Running test case: LayerTreeManager.layerTreeMutations.overlappingNodeIds | |
| PASS: Preserved layers should be correct. | |
| PASS: Added layers should be correct. | |
| PASS: Removed layers should be correct. | |