Update go dependencies

vendor/github.com/onsi/gomega/.travis.yml

@@ -1,4 +1,5 @@
 language: go
+
 go:
   - 1.6.x
   - 1.7.x
@@ -7,10 +8,16 @@ go:
   - 1.10.x
   - 1.11.x
 
+env:
+  - GO111MODULE=on
+
 install:
-  - env GO111MODULE=on go get -v ./...
-  - env GO111MODULE=on go build ./...
+  - go get -v ./...
+  - go build ./...
   - go get github.com/onsi/ginkgo
   - go install github.com/onsi/ginkgo/ginkgo
 
-script: env GO111MODULE=on $HOME/gopath/bin/ginkgo -p -r --randomizeAllSpecs --failOnPending --randomizeSuites --race && env GO111MODULE=on go vet
+script: |
+  $HOME/gopath/bin/ginkgo -p -r --randomizeAllSpecs --failOnPending --randomizeSuites --race &&
+  go vet &&
+  [ -z "`gofmt -l -e -s -w .`" ]