hs-test: log external apps

Type: test

Change-Id: Id2b0d408bd46f20b81422506f9db4eb655feddac
Signed-off-by: Filip Tehlar <ftehlar@cisco.com>
diff --git a/extras/hs-test/ldp_test.go b/extras/hs-test/ldp_test.go
index c2d6f33..1906d6b 100644
--- a/extras/hs-test/ldp_test.go
+++ b/extras/hs-test/ldp_test.go
@@ -54,7 +54,7 @@
 	s.log("attaching server to vpp")
 
 	srvEnv := append(os.Environ(), ldpreload, "VCL_CONFIG="+serverVclFileName)
-	go startServerApp(srvCh, stopServerCh, srvEnv)
+	go s.startServerApp(srvCh, stopServerCh, srvEnv)
 
 	err = <-srvCh
 	s.assertNil(err)
@@ -63,7 +63,7 @@
 	var clnRes = make(chan string, 1)
 	clnEnv := append(os.Environ(), ldpreload, "VCL_CONFIG="+clientVclFileName)
 	serverVethAddress := s.netInterfaces[serverInterfaceName].ip4AddressString()
-	go startClientApp(serverVethAddress, clnEnv, clnCh, clnRes)
+	go s.startClientApp(serverVethAddress, clnEnv, clnCh, clnRes)
 	s.log(<-clnRes)
 
 	// wait for client's result