modify travis

.travis.yml

@@ -7,16 +7,17 @@ go:
 env:
   - GO111MODULE=on CONSUL_VERSION=0.9.2
 
-#before_install:
-#  - curl -sLo consul.zip https://releases.hashicorp.com/consul/${CONSUL_VERSION}/consul_${CONSUL_VERSION}_linux_amd64.zip
-#  - unzip consul.zip
-#  - mkdir -p ~/bin
-#  - mv consul ~/bin
-#  - export PATH="~/bin:$PATH"
+before_install:
+  - curl -sLo consul.zip https://releases.hashicorp.com/consul/${CONSUL_VERSION}/consul_${CONSUL_VERSION}_linux_amd64.zip
+  - unzip consul.zip
+  - mkdir -p ~/bin
+  - mv consul ~/bin
+  - export PATH="~/bin:$PATH"
 
 install: true
 
 script:
+  - consul --help
   - go fmt ./... && [[ -z `git status -s` ]]
   - go mod vendor && go test ./... -coverprofile=coverage.txt -covermode=atomic