fix(test): Remove unit_test dependency on install

The unit tests were accidentally dependent on the nanomsg
and nng libraries being installed on the system. Change
references them from the build envionment as intended.

Signed-off-by: E. Scott Daniels <daniels@research.att.com>
Change-Id: I3ebee18a796e535eb20d39e06be7f6def7a603e5
2 files changed