>     DummyVersionGraph as VersionGraph addEdge should accept an edge and add it to the graph: [2K[0G  ․ DummyVersionGraph as VersionGraph addEdge should accept an edge and add it to the graph
>     DummyVersionGraph as VersionGraph addEdge should create a dual mapping, mapping also the destination to the source: [2K[0G  ․ DummyVersionGraph as VersionGraph addEdge should create a dual mapping, mapping also the destination to the source
27c29
<   24 passing (32 ms)
---
>   26 passing (31 ms)