addNetwork method
Adds a network as if a previous run left it, for tests that exercise
rig prune's network cleanup without going through ensureNetwork or
createContainer.
Implementation
String addNetwork({
required String name,
Map<String, String> labels = const {},
List<String> connectedContainerIds = const [],
}) {
final net = _FakeNetwork(
id: 'net${_nextId++}',
name: name,
labels: Map.of(labels),
)..connectedContainerIds.addAll(connectedContainerIds);
_networksByName[name] = net;
return net.id;
}