network_manager: Allow direct access to interfaces

Change-Id: I3dc2bb944b8d3a7873e26ce2958a2cb1d9be95af
Signed-off-by: William A. Kennington III <wak@google.com>
diff --git a/test/mock_network_manager.hpp b/test/mock_network_manager.hpp
index 559a667..af26771 100644
--- a/test/mock_network_manager.hpp
+++ b/test/mock_network_manager.hpp
@@ -26,7 +26,7 @@
     {
         // clear all the interfaces first
         interfaces.clear();
-        auto interfaceStrList = getInterfaces();
+        auto interfaceStrList = getSystemInterfaces();
         for (auto& interface : interfaceStrList)
         {
             fs::path objPath = objectPath;