diff --git a/livebridge/web/__init__.py b/livebridge/web/__init__.py
index 36eed1a..97d4412 100644
--- a/livebridge/web/__init__.py
+++ b/livebridge/web/__init__.py
@@ -111,14 +111,13 @@ async def index_handler(self, request):
 
     async def control_get(self, request):
         control_doc = await self.app["controller"].load_control_doc()
-        self.control_etag = self._get_etag(control_doc)
-        return web.json_response(control_doc, headers={"Etag": self.control_etag})
+        return web.json_response(control_doc, headers={"Etag": self._get_etag(control_doc)})
 
     async def control_put(self, request):
         try:
             # check etag first
             control_doc = await self.app["controller"].load_control_doc()
-            if not self.control_etag or self._get_etag(control_doc) != request.headers.get("If-Match"):
+            if self._get_etag(control_doc) != request.headers.get("If-Match"):
                 return web.json_response({"error": "Precondition Failed."}, status=412)
             # handle data
             await request.post()
diff --git a/setup.py b/setup.py
index 30ed34e..e928e3b 100644
--- a/setup.py
+++ b/setup.py
@@ -49,6 +49,7 @@
         "asynctest==0.11.1",
         "bleach==2.1.2",
         "dsnparse==0.1.11",
+        "pymongo>=3.6.0",
         "motor==1.2.1",
         "python-dateutil==2.6.1",
         "PyYAML==3.12",
diff --git a/tests/test_logger.py b/tests/test_logger.py
index 56db1bf..fda4b9f 100644
--- a/tests/test_logger.py
+++ b/tests/test_logger.py
@@ -25,5 +25,4 @@ def test_logger(self):
         from livebridge.logger import logger
         assert type(logger) is logging.RootLogger
         assert type(logger.handlers[0]) is logging.StreamHandler
-        assert type(logger.handlers[1]) is logging.FileHandler
         logger.handlers = []
diff --git a/tests/test_web.py b/tests/test_web.py
index 1e25edc..e516aba 100644
--- a/tests/test_web.py
+++ b/tests/test_web.py
@@ -30,8 +30,8 @@ async def get_application(self):
             "port": 9990,
             "auth": {"user": "test", "password": "testpwd"}}
         self.controller = asynctest.MagicMock(spec="livebridge.controller.Controller")
-        self.server = WebApi(config=self.config, controller=self.controller, loop=self.loop)
-        return self.server.app
+        server = WebApi(config=self.config, controller=self.controller, loop=self.loop)
+        return server.app
 
     @unittest_run_loop
     async def test_init_with_loop(self):
@@ -47,13 +47,15 @@ async def test_init_with_loop(self):
         assert self.loop.create_server.call_args[0][2] == 9990
         self.client.session.close()
 
-    def test_shutdown(self):
-        self.server.loop = unittest.mock.MagicMock()
-        self.server.loop.run_until_complete = unittest.mock.MagicMock()
-        self.server.srv = unittest.mock.MagicMock()
-        self.server.srv.close = unittest.mock.MagicMock()
-        self.server.shutdown()
-        assert self.server.loop.run_until_complete.call_count == 4
+    @unittest_run_loop
+    async def test_shutdown(self):
+        server = WebApi(config=self.config, controller=self.controller, loop=self.loop)
+        server.loop = unittest.mock.MagicMock()
+        server.loop.run_until_complete = unittest.mock.MagicMock()
+        server.srv = unittest.mock.MagicMock()
+        server.srv.close = unittest.mock.MagicMock()
+        server.shutdown()
+        assert server.loop.run_until_complete.call_count == 4
 
     async def _get_token(self):
         data = {"username": self.config["auth"]["user"],
@@ -123,8 +125,7 @@ async def test_get_controldata(self):
     @unittest_run_loop
     async def test_put_controldata(self):
         data = '{"foo": "bla"}'
-        self.server.control_etag = self.server._get_etag(data)
-        headers = {"X-Auth-Token": await self._get_token(), "If-Match": self.server.control_etag}
+        headers = {"X-Auth-Token": await self._get_token(), "If-Match": "51a47b5c06e23b9abfe95f84fea5e21e"}
         self.controller.load_control_doc = asynctest.CoroutineMock(return_value=data)
         self.controller.save_control_data = asynctest.CoroutineMock(return_value=True)
         res = await self.client.request("PUT", "/api/v1/controldata", data=data, headers=headers)
@@ -135,7 +136,8 @@ async def test_put_controldata(self):
 
         # etag is not matched
         self.server.control_etag = None
-        res = await self.client.request("PUT", "/api/v1/controldata", data=data, headers=headers)
+        invalid_etag = {"X-Auth-Token": await self._get_token(), "If-Match": "foo"}
+        res = await self.client.request("PUT", "/api/v1/controldata", data=data, headers=invalid_etag)
         assert res.status == 412
         self.server.control_etag = "123456"