Revert "fixed run_unit_test.php system commands"
Revert "fixed run_unit_test.php system commands"

This reverts commit dac7b56be5f32296cb6c98d72f15a65037017a33.

Conflicts:
	tools/run_unit_tests.php

lewsid/dinkly,imamathgeek/habitat,alz-sinton/dinkly-test,imamathgeek/habitat,lewsid/dinkly,alz-sinton/dinkly-test