adding gocyclo in set up

eng/integration-tests.yml

@@ -29,6 +29,7 @@ steps:
       go get github.com/axw/gocov/gocov
       go get github.com/AlekSi/gocov-xml
       go get -u github.com/matm/gocov-html
+      go get github.com/fzipp/gocyclo/cmd/gocyclo
       go get golang.org/x/lint/golint
     displayName: 'Install Dependencies'
   - script: |