update travis to include tests

.travis.yml

@@ -14,10 +14,8 @@ install:
   - go get github.com/tcnksm/ghr
 
 script:
-  - sed -i 's/\_ \"github.com\/mholt\/caddy\/caddyhttp\"/\_ \"github.com\/mholt\/caddy\/caddyhttp\"\n\_ \"github.com\/hacdias\/filemanager\/caddy\/filemanager\"/g' $GOPATH/src/github.com/mholt/caddy/caddy/caddymain/run.go
-  - go build -o binary github.com/mholt/caddy/caddy
-  - go build github.com/hacdias/filemanager
   - ineffassign .
+  - go test ./... -timeout 30s -tags
   - cd cmd/filemanager
   - mkdir dist
   - gox -output "dist/{{.OS}}-{{.Arch}}-{{.Dir}}"