Fix: integration testing problems

integrate_test.sh

@@ -52,12 +52,16 @@ docker run -d --network host zookeeper
 echo "zookeeper listen in [:]2181"
 
 # build go-server image
+# copy main go.mod to test dir
+cp go.mod ./test/integrate/dubbo/go-server/go.main.mod
 cd ./test/integrate/dubbo/go-server
 docker build . -t  ci-provider --build-arg PR_ORIGIN_REPO=${TRAVIS_PULL_REQUEST_SLUG} --build-arg PR_ORIGIN_COMMITID=${TRAVIS_PULL_REQUEST_SHA}
 cd ${ROOT_DIR}
 docker run -d --network host ci-provider
 
 # build go-client image
+# copy main go.mod to test dir
+cp go.mod ./test/integrate/dubbo/go-client/go.main.mod
 cd ./test/integrate/dubbo/go-client
 docker build . -t  ci-consumer --build-arg PR_ORIGIN_REPO=${TRAVIS_PULL_REQUEST_SLUG} --build-arg PR_ORIGIN_COMMITID=${TRAVIS_PULL_REQUEST_SHA}
 cd ${ROOT_DIR}

test/integrate/dubbo/go-client/Dockerfile

@@ -26,7 +26,6 @@ ARG PR_ORIGIN_REPO
 ARG PR_ORIGIN_COMMITID
 
 ADD . /go/src/github.com/apache/dubbo-go/test/integrate/dubbo/go-client
-ADD /go/src/github.com/apache/dubbo-go/go.mod /go/src/github.com/apache/dubbo-go/test/integrate/dubbo/go-client/go.main.mod
 
 # update dubbo-go to current commit id
 RUN test ${PR_ORIGIN_REPO} && echo "github.com/apache/dubbo-go will be replace to github.com/${PR_ORIGIN_REPO}@${PR_ORIGIN_COMMITID}" || echo 'go get github.com/apache/dubbo-go@develop'

test/integrate/dubbo/go-server/Dockerfile

@@ -26,7 +26,6 @@ ARG PR_ORIGIN_REPO
 ARG PR_ORIGIN_COMMITID
 
 ADD . /go/src/github.com/apache/dubbo-go/test/integrate/dubbo/go-server
-ADD /go/src/github.com/apache/dubbo-go/go.mod /go/src/github.com/apache/dubbo-go/test/integrate/dubbo/go-server/go.main.mod
 
 # update dubbo-go to current commit id
 RUN test ${PR_ORIGIN_REPO} && echo "github.com/apache/dubbo-go will be replace to github.com/${PR_ORIGIN_REPO}@${PR_ORIGIN_COMMITID}" || echo 'go get github.com/apache/dubbo-go@develop'