From fae22fd8723999592ecb519723d3bd75d053aa59 Mon Sep 17 00:00:00 2001
From: James Porter <porterjamesj@gmail.com>
Date: Thu, 2 Apr 2015 22:40:40 -0500
Subject: [PATCH] allow starting without reseting

---
 moto/core/models.py | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/moto/core/models.py b/moto/core/models.py
index 495c9a382..be25321c7 100644
--- a/moto/core/models.py
+++ b/moto/core/models.py
@@ -29,10 +29,11 @@ class MockAWS(object):
     def __exit__(self, *args):
         self.stop()
 
-    def start(self):
+    def start(self, reset=True):
         self.__class__.nested_count += 1
-        for backend in self.backends.values():
-            backend.reset()
+        if reset:
+            for backend in self.backends.values():
+                backend.reset()
 
         if not HTTPretty.is_enabled():
             HTTPretty.enable()