hs-test: log external apps

Type: test

Change-Id: Id2b0d408bd46f20b81422506f9db4eb655feddac
Signed-off-by: Filip Tehlar <ftehlar@cisco.com>

extras/hs-test/linux_iperf_test.go

@@ -9,13 +9,13 @@ func (s *TapSuite) TestLinuxIperf() {
 		stopServerCh <- struct{}{}
 	}()
 
-	go startServerApp(srvCh, stopServerCh, nil)
+	go s.startServerApp(srvCh, stopServerCh, nil)
 	err := <-srvCh
 	s.assertNil(err)
 	s.log("server running")
 
 	ipAddress := s.netInterfaces[tapInterfaceName].ip4AddressString()
-	go startClientApp(ipAddress, nil, clnCh, clnRes)
+	go s.startClientApp(ipAddress, nil, clnCh, clnRes)
 	s.log("client running")
 	s.log(<-clnRes)
 	err = <-clnCh