From c09950b62732dc36b090e57928bd98f3839db78a Mon Sep 17 00:00:00 2001
From: Alan Wu <alan.c.wu@gmail.com>
Date: Fri, 8 Dec 2017 10:37:58 -0800
Subject: [PATCH] Spanner: clean up databases after use

---
 spanner/tests/system/test_system.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/spanner/tests/system/test_system.py b/spanner/tests/system/test_system.py
index f2cc4ca7e85b..99442ef3bafd 100644
--- a/spanner/tests/system/test_system.py
+++ b/spanner/tests/system/test_system.py
@@ -118,6 +118,9 @@ def setUpModule():
 def tearDownModule():
     if CREATE_INSTANCE:
         Config.INSTANCE.delete()
+    else:
+        for database in Config.INSTANCE.list_databases():
+            database.drop()
 
 
 class TestInstanceAdminAPI(unittest.TestCase):