Fetch test dependencies too.

.travis.yml

@@ -20,5 +20,5 @@ install:
 
 script:
   - make check
-  - go test -v ./...
+  - go test -t -v ./...
   - go test -cpu=2 -race -v ./...

RELEASE.md

@@ -8,7 +8,7 @@ Required software for making a release
   * golint - go get github.com/golang/lint
 
 Making a release
-  * go get -u -f -v ./...
+  * go get -t -u -f -v ./...
   * make check
   * make test
   * make tag

appveyor.yml

@@ -13,7 +13,7 @@ install:
   - echo %GOPATH%
   - go version
   - go env
-  - go get -d ./...
+  - go get -t -d ./...
 
 build_script:
  - go vet ./...