List dependencies for services - add integration test to verify

tests/test_glacier/test_server.py

@@ -0,0 +1,21 @@
+from __future__ import unicode_literals
+
+import json
+import sure  # noqa
+
+import moto.server as server
+from moto import mock_glacier
+
+"""
+Test the different server responses
+"""
+
+
+@mock_glacier
+def test_list_vaults():
+    backend = server.create_backend_app("glacier")
+    test_client = backend.test_client()
+
+    res = test_client.get("/1234bcd/vaults")
+
+    json.loads(res.data.decode("utf-8")).should.equal({"Marker": None, "VaultList": []})