Create api+scenario tests for pools

This patch implements pool tests for the Octavia
Tempest Plugin.

Change-Id: Id8dadfa292a698273240a4d3513288053e7c62c5
Story: 2001387
Task: 5969
diff --git a/.stestr.conf b/.stestr.conf
new file mode 100644
index 0000000..7b8b54e
--- /dev/null
+++ b/.stestr.conf
@@ -0,0 +1,3 @@
+[DEFAULT]
+test_path=${OS_TEST_PATH:-./octavia_tempest_plugin/tests/}
+top_dir=./