Add scripts for CSIT NBI

Create directory test/csit/tests/externalapi-nbi
Create setup.sh, teardown.sh scripts
Create testplan.txt
Create directory test/csit/plans/externalapi-nbi
Create heathcheck.robot

Change-Id: I485e739bca48aecb62ed9b1b1e5fd910775735a8
Issue-ID: EXTAPI-76
Signed-off-by: Eric Debeau <eric.debeau@orange.com>
diff --git a/test/csit/plans/externalapi-nbi/healthcheck/testplan.txt b/test/csit/plans/externalapi-nbi/healthcheck/testplan.txt
new file mode 100644
index 0000000..06622ae
--- /dev/null
+++ b/test/csit/plans/externalapi-nbi/healthcheck/testplan.txt
@@ -0,0 +1,3 @@
+# Test suites are relative paths under [integration.git]/test/csit/tests/.
+# Place the suites in run order.
+externalapi-nbi/healthcheck