Add integration test for hopping+kcp

.env.hopping.kcp

+PROTO="udp"
+HOP_PT="1"
+KCP="1"
+PORT="4430"

.gitlab-ci.yml

@@ -88,6 +88,19 @@ integration-test-kcp:
     - linux
     - docker-in-docker
 
+integration-test-hopping-kcp:
+  image: docker:dind
+  stage: test
+  services:
+    - name: docker:dind
+      alias: docker
+  script:
+    - apk add --update bash
+    - /bin/bash ./scripts/integration-test.sh hop-kcp
+  tags:
+    - linux
+    - docker-in-docker
+
 # We can build the client separately here
 build-client:
   extends: build

scripts/integration-test.sh

@@ -15,6 +15,8 @@ if [[ "$1" == "hop" ]]; then
   env_file=./.env.hopping
 elif [[ "$1" == "kcp" ]]; then
   env_file=./.env.kcp
+elif [[ "$1" == "hop-kcp" ]]; then
+  env_file=./.env.hopping.kcp
 fi
 
 docker-compose down --rmi all -v