Problem with installation of tools using Makefile on gosdn/controller layer

Description

There is a problem with getting the path or installing the tools at the correct position when using commands from the Makefile of gosdn/controller. See image:

Expected Behavior

make unit-test installs tools correctly and runs the unit tests.

Actual Behavior

Fails when looking for the installed tools.

Steps to Reproduce

1. Be on awesome work machine
2. Run make unit-test