return the full response from FakeAppObject

Fixes bug 984042

Change-Id: I18a6eac497b24338af4d82a568484b0fc9d97382

Author: iartarisi

AUTHORS

@@ -17,6 +17,7 @@ Contributors
 ------------
 Jesse Andrews ([email protected])
 Joe Arnold ([email protected])
+Ionuț Arțăriși ([email protected])
 Darrell Bishop ([email protected])
 James E. Blair ([email protected])
 Chmouel Boudjnah ([email protected])

test/unit/common/middleware/test_swift3.py

@@ -134,8 +134,7 @@ def __call__(self, env, start_response):
                 if 'HTTP_RANGE' in env:
                     resp = Response(body=self.object_body,
                                     conditional_response=True)
-                    resp_iter = iter(resp(env, start_response))
-                    return resp_iter.next()
+                    return resp(env, start_response)
                 start_response(Response().status,
                                self.response_headers.items())
                 if env['REQUEST_METHOD'] == 'GET':