Update unit tests for functionServiceMap change

router/functionHandler_test.go

@@ -50,7 +50,7 @@ func TestFunctionProxying(t *testing.T) {
 	log.Printf("Created backend svc at %v", backendURL)
 
 	fn := &fission.Metadata{Name: "foo", Uid: "xxx"}
-	fmap := makeFunctionServiceMap()
+	fmap := makeFunctionServiceMap(0)
 	fmap.assign(fn, backendURL)
 
 	fh := &functionHandler{fmap: fmap, Function: *fn}

router/functionServiceMap_test.go

@@ -24,7 +24,7 @@ import (
 )
 
 func TestFunctionServiceMap(t *testing.T) {
-	m := makeFunctionServiceMap()
+	m := makeFunctionServiceMap(0)
 	fn := &fission.Metadata{Name: "foo", Uid: "012"}
 	u, err := url.Parse("/foo012")
 	if err != nil {

router/router_test.go

@@ -25,7 +25,7 @@ import (
 )
 
 func TestRouter(t *testing.T) {
-	fmap := makeFunctionServiceMap()
+	fmap := makeFunctionServiceMap(0)
 	fn := &fission.Metadata{Name: "foo", Uid: "xxx"}
 
 	testResponseString := "hi"