chore(deps): removes version constraint for testify in travis.

Author: jcchavezs

.travis.yml

@@ -16,7 +16,7 @@ env:
 
 before_script:
   - go get -u golang.org/x/lint/golint
-  - go get -u github.com/stretchr/testify@v1.5.1
+  - go get -u github.com/stretchr/testify
 
 script:
   - make ci

Makefile

@@ -16,6 +16,6 @@ acceptance-test:
 	docker-compose -f tests/docker-compose.yml stop
 
 deps:
-	go get -t -v ./...
+	go get -v ./...
 
 ci: deps vet lint test