ethernet_interface: DHCP settings don't require refresh

Change-Id: I69c004117779be2b985a7a03a65040bc7a119786
Signed-off-by: William A. Kennington III <wak@google.com>
diff --git a/test/test_ethernet_interface.cpp b/test/test_ethernet_interface.cpp
index bb28b22..bd03aff 100644
--- a/test/test_ethernet_interface.cpp
+++ b/test/test_ethernet_interface.cpp
@@ -136,7 +136,7 @@
 TEST_F(TestEthernetInterface, addStaticNameServers)
 {
     ServerList servers = {"9.1.1.1", "9.2.2.2", "9.3.3.3"};
-    EXPECT_CALL(manager, reloadConfigs());
+    EXPECT_CALL(manager, reloadConfigsNoRefresh());
     interface.staticNameServers(servers);
     fs::path filePath = confDir;
     filePath /= "00-bmc-test0.network";
@@ -155,7 +155,7 @@
 TEST_F(TestEthernetInterface, addStaticNTPServers)
 {
     ServerList servers = {"10.1.1.1", "10.2.2.2", "10.3.3.3"};
-    EXPECT_CALL(manager, reloadConfigs());
+    EXPECT_CALL(manager, reloadConfigsNoRefresh());
     interface.staticNTPServers(servers);
     fs::path filePath = confDir;
     filePath /= "00-bmc-test0.network";