VOL-1577 - General cleanup (gofmt, go vet, go test, dep check)

Change-Id: I536b2746b8bd266f3e75aeccc65bfe7468f1b44a
diff --git a/tests/core/concurrency/core_concurrency_test.go b/tests/core/concurrency/core_concurrency_test.go
index 42f5de0..5fbda49 100644
--- a/tests/core/concurrency/core_concurrency_test.go
+++ b/tests/core/concurrency/core_concurrency_test.go
@@ -1,3 +1,5 @@
+// +build integration
+
 /*
  * Copyright 2018-present Open Networking Foundation
 
@@ -62,7 +64,7 @@
 	devices = make(map[string]*voltha.Device)
 }
 
-func connectToCore(port int) (voltha.VolthaServiceClient, error)  {
+func connectToCore(port int) (voltha.VolthaServiceClient, error) {
 	grpcHostIP := os.Getenv("DOCKER_HOST_IP")
 	grpcHost := fmt.Sprintf("%s:%d", grpcHostIP, port)
 	conn, err := grpc.Dial(grpcHost, grpc.WithInsecure())
@@ -192,8 +194,7 @@
 	}
 }
 
-
-func sendCreateDeviceRequest(ctx context.Context, stub voltha.VolthaServiceClient, device *voltha.Device, ch chan interface{} ) {
+func sendCreateDeviceRequest(ctx context.Context, stub voltha.VolthaServiceClient, device *voltha.Device, ch chan interface{}) {
 	fmt.Println("Sending  create device ...")
 	if response, err := stub.CreateDevice(ctx, device); err != nil {
 		ch <- err
@@ -202,9 +203,9 @@
 	}
 }
 
-func sendEnableDeviceRequest(ctx context.Context, stub voltha.VolthaServiceClient, deviceId string, ch chan interface{} ) {
+func sendEnableDeviceRequest(ctx context.Context, stub voltha.VolthaServiceClient, deviceId string, ch chan interface{}) {
 	fmt.Println("Sending enable device ...")
-	if response, err := stub.EnableDevice(ctx, &common.ID{Id:deviceId}); err != nil {
+	if response, err := stub.EnableDevice(ctx, &common.ID{Id: deviceId}); err != nil {
 		ch <- err
 	} else {
 		ch <- response
@@ -253,7 +254,7 @@
 	ui := uuid.New()
 	ctx := metadata.NewOutgoingContext(context.Background(), metadata.Pairs(volthaSerialNumberKey, ui.String()))
 	randomMacAddress := strings.ToUpper(com.GetRandomMacAddress())
-	device := &voltha.Device{Type: "simulated_olt", MacAddress:randomMacAddress}
+	device := &voltha.Device{Type: "simulated_olt", MacAddress: randomMacAddress}
 	ch := make(chan interface{})
 	defer close(ch)
 	requestNum := 0
@@ -296,7 +297,7 @@
 			requestNum := 0
 			for _, stub := range stubs {
 				go sendEnableDeviceRequest(ctx, stub, deviceId, ch)
-				requestNum +=1
+				requestNum += 1
 			}
 			receivedResponse := 0
 			var err error
@@ -308,7 +309,7 @@
 				if !ok {
 				} else if er, ok := res.(error); ok {
 					err = er
-				} else if _ , ok := res.(*empty.Empty); ok {
+				} else if _, ok := res.(*empty.Empty); ok {
 					validResponseReceived = true
 				}
 				if receivedResponse == requestNum {
@@ -324,19 +325,22 @@
 	return nil
 }
 
-
 func TestConcurrentRequests(t *testing.T) {
 	fmt.Println("Testing Concurrent requests ...")
 
 	////0. Start kafka and Ectd
-	//startKafka()
-	//startEtcd()
+	startKafka()
+	defer stopKafka()
+	startEtcd()
+	defer stopKafka()
 	//
 	////1. Start the core
-	//startCores()
+	startCores()
+	defer stopCores()
 	//
 	////2. Start the simulated adapters
-	//startSimulatedOLTAndONUAdapters()
+	startSimulatedOLTAndONUAdapters()
+	defer stopSimulatedOLTAndONUAdapters()
 	//
 	//// Wait until the core and adapters sync up
 	//time.Sleep(10 * time.Second)
@@ -364,7 +368,6 @@
 	//stopEtcd()
 }
 
-
 func shutdown() {
 	for _, conn := range conns {
 		conn.Close()