Update test dependencies to new EMQx broker version

Makefile

@@ -21,7 +21,7 @@ run:
 
 run-containers:
 	@cd test_containers && docker-compose up -d && cd ..
-	@/bin/bash -c "until curl -s localhost:8080 > /dev/null; do echo 'Waiting for EMQTT...' && sleep 1; done"
+	@/bin/bash -c "until curl -s localhost:8081 > /dev/null; do echo 'Waiting for EMQTT...' && sleep 1; done"
 
 kill-containers:
 	@cd test_containers && docker-compose stop && cd ..

config/local.yml

@@ -21,5 +21,5 @@ dogstatsd:
   rate: 1
 httpserver:
   url: "http://localhost:8081"
-  user: user
-  pass: pass
+  user: admin
+  pass: public

config/test.yml

@@ -15,5 +15,5 @@ dogstatsd:
   rate: 1
 httpserver:
   url: "http://localhost:8081"
-  user: user
-  pass: pass
+  user: admin
+  pass: public

httpclient/httpclient.go

@@ -156,7 +156,7 @@ func (mc *HttpClient) configure(l log.FieldLogger) {
 }
 
 func (mc *HttpClient) setConfigurationDefaults() {
-	mc.Config.SetDefault("httpserver.url", "http://localhost:8080")
+	mc.Config.SetDefault("httpserver.url", "http://localhost:8081")
 	mc.Config.SetDefault("httpserver.user", "admin")
 	mc.Config.SetDefault("httpserver.pass", "public")
 	mc.Config.SetDefault("httpserver.timeout", 500)

test_containers/docker-compose.yml

@@ -1,20 +1,19 @@
 version: '3.5'
 services:
   emqtt:
-    image: tfgco/emq-docker:v2.3-tfg-beta10
+    image: emqx/emqx:4.2.9
     environment:
-      - "EMQ_NAME=emq"
-      - "EMQ_NODE__COOKIE=ef16498f66804df1cc6172f6996d5492"
-      - "EMQ_WAIT_TIME=60"
-      - "EMQ_LISTENER__API__MGMT=0.0.0.0:8080"
+      - "EMQX_NAME=emqx"
+      - "EMQX_NODE__COOKIE=ef16498f66804df1cc6172f6996d5492"
+      - "EMQX_WAIT_TIME=60"
     restart: always
     ports:
       - "1883:1883"
-      - "8080:8080"
+      - "8081:8081"
       - "18083:18083"
 
     healthcheck:
-      test: "nc -z 0.0.0.0 8080"
+      test: "nc -z 0.0.0.0 8081"
       interval: 30s
       timeout: 30s
       retries: 3