initial unittest for osm_nbi.instance_topics

Change-Id: Ib38b3e6625014c8641e7cadce69624f46b41d1ac
Signed-off-by: tierno <alfonso.tiernosepulveda@telefonica.com>
diff --git a/.gitignore-common b/.gitignore-common
index 157e9ef..30f83df 100644
--- a/.gitignore-common
+++ b/.gitignore-common
@@ -46,6 +46,8 @@
 dist
 *.egg-info
 .eggs
+.temp-tox
 
 #vscode
-.vscode
\ No newline at end of file
+.vscode
+