ci(ovn): add verification tests for database (#1048)

Signed-off-by: Mohammed Naser <mnaser@vexxhost.com>
diff --git a/.gitignore b/.gitignore
index 173d6f5..6f6a4ed 100644
--- a/.gitignore
+++ b/.gitignore
@@ -17,3 +17,5 @@
 junit-go.xml
 ansible-lint.xml
 output
+.stestr
+.tox