docs: fix image name in testing guide
@@ -108,10 +108,10 @@ Try this now.
2. Start a Moby development image.
If you are following along with this guide, you should have a
- `dry-run-test` image.
+ `docker-dev:dry-run-test` image.
```bash
- $ docker run --privileged --rm -ti -v `pwd`:/go/src/github.com/docker/docker dry-run-test /bin/bash
+ $ docker run --privileged --rm -ti -v `pwd`:/go/src/github.com/docker/docker docker-dev:dry-run-test /bin/bash
```
3. Run the unit tests using the `hack/test/unit` script.
