--- a/.travis.yml	Sat May 13 11:23:10 2017 +0200
+++ b/.travis.yml	Sat May 13 11:56:52 2017 +0200
@@ -20,3 +20,4 @@
 - go get github.com/kr/text
 - go get github.com/m0t0k1ch1/gomif
 - go get github.com/mattn/go-isatty
+- go get github.com/stretchr/testify/assert