Add python-barbicanclient to LIBS_FROM_GIT

Allow python-barbicanclient to be installed from git instead of pip.

Change-Id: I99cd72724e11bab362bcaaeb773f33b2abfe815c
diff --git a/tests/test_libs_from_pypi.sh b/tests/test_libs_from_pypi.sh
index 1f2d3c2..5b4ff32 100755
--- a/tests/test_libs_from_pypi.sh
+++ b/tests/test_libs_from_pypi.sh
@@ -43,7 +43,7 @@
 ALL_LIBS+=" oslo.cache oslo.reports osprofiler cursive"
 ALL_LIBS+=" keystoneauth ironic-lib neutron-lib oslo.privsep"
 ALL_LIBS+=" diskimage-builder os-vif python-brick-cinderclient-ext"
-ALL_LIBS+=" castellan"
+ALL_LIBS+=" castellan python-barbicanclient"
 
 # Generate the above list with
 # echo ${!GITREPO[@]}