Nearly finished Polly implementation

tests/test_polly/test_server.py

@@ -0,0 +1,16 @@
+from __future__ import unicode_literals
+
+import sure  # noqa
+
+import moto.server as server
+from moto import mock_polly
+
+'''
+Test the different server responses
+'''
+
+@mock_polly
+def test_polly_list():
+    backend = server.create_backend_app("polly")
+    test_client = backend.test_client()
+    # do test