rename backend to core

core/internal/server/network/testing.go

@@ -0,0 +1,15 @@
+package network
+
+// NewTestManager creates a Manager for testing with a provided backend
+func NewTestManager(backend Backend, state *NetworkState) *Manager {
+	if state == nil {
+		state = &NetworkState{}
+	}
+	return &Manager{
+		backend:     backend,
+		state:       state,
+		subscribers: make(map[string]chan NetworkState),
+		stopChan:    make(chan struct{}),
+		dirty:       make(chan struct{}, 1),
+	}
+}