diff --git a/src/milla/tests/test_app.py b/src/milla/tests/test_app.py
index 15a72d0..1376e20 100644
--- a/src/milla/tests/test_app.py
+++ b/src/milla/tests/test_app.py
@@ -44,7 +44,7 @@ class ResponseMaker(object):
         for data in app_iter:
             self.body += data
 
-def testing_environ():
+def environ_for_testing():
     environ = {}
     wsgiref.util.setup_testing_defaults(environ)
     return environ
@@ -61,7 +61,7 @@ def test_notfound():
     '''
 
     app = milla.app.Application(StubResolverUnresolved())
-    environ = testing_environ()
+    environ = environ_for_testing()
     response = ResponseMaker()
     app_iter = app(environ, response.start_response)
     response.finish_response(app_iter)
@@ -72,7 +72,7 @@ def test_favicon():
     '''
 
     app = milla.app.Application(StubResolverUnresolved())
-    environ = testing_environ()
+    environ = environ_for_testing()
     environ.update({'PATH_INFO': '/favicon.ico'})
     response = ResponseMaker()
     app_iter = app(environ, response.start_response)
@@ -85,7 +85,7 @@ def test_allow_header_disallowed():
     '''
 
     app = milla.app.Application(StubResolver())
-    environ = testing_environ()
+    environ = environ_for_testing()
     environ.update({'REQUEST_METHOD': 'POST'})
     response = ResponseMaker()
     app_iter = app(environ, response.start_response)
@@ -99,7 +99,7 @@ def test_allow_header_allowed():
     resolver = StubResolver()
     resolver.controller.allowed_methods = ('POST',)
     app = milla.app.Application(resolver)
-    environ = testing_environ()
+    environ = environ_for_testing()
     environ.update({'REQUEST_METHOD': 'POST'})
     response = ResponseMaker()
     app_iter = app(environ, response.start_response)
@@ -113,7 +113,7 @@ def test_allow_header_options():
     resolver = StubResolver()
     resolver.controller.allowed_methods = ('GET',)
     app = milla.app.Application(resolver)
-    environ = testing_environ()
+    environ = environ_for_testing()
     environ.update({'REQUEST_METHOD': 'OPTIONS'})
     response = ResponseMaker()
     app_iter = app(environ, response.start_response)
@@ -130,7 +130,7 @@ def test_emulated_method():
     resolver = StubResolver()
     resolver.controller.allowed_methods = ('PUT',)
     app = milla.app.Application(resolver)
-    environ = testing_environ()
+    environ = environ_for_testing()
     environ.update({
         'REQUEST_METHOD': 'POST',
         'CONTENT_TYPE': 'application/x-www-form-urlencoded',
@@ -156,7 +156,7 @@ def test_function_before():
     resolver = StubResolver()
     resolver.controller.__before__ = before
     app = milla.app.Application(resolver)
-    environ = testing_environ()
+    environ = environ_for_testing()
     response = ResponseMaker()
     app(environ, response.start_response)
 
@@ -172,7 +172,7 @@ def test_instance_before():
             return 'success'
 
     app = milla.app.Application(StubResolver(Controller()))
-    environ = testing_environ()
+    environ = environ_for_testing()
     response = ResponseMaker()
     app(environ, response.start_response)
 
@@ -188,7 +188,7 @@ def test_instancemethod_before():
             return 'success'
 
     app = milla.app.Application(StubResolver(Controller().foo))
-    environ = testing_environ()
+    environ = environ_for_testing()
     response = ResponseMaker()
     app(environ, response.start_response)
 
@@ -206,7 +206,7 @@ def test_partial_function_before():
     resolver = StubResolver()
     resolver.controller = functools.partial(controller, text='success')
     app = milla.app.Application(resolver)
-    environ = testing_environ()
+    environ = environ_for_testing()
     response = ResponseMaker()
     app(environ, response.start_response)
 
@@ -224,7 +224,7 @@ def test_partial_instance_before():
     resolver = StubResolver()
     resolver.controller = functools.partial(Controller(), text='success')
     app = milla.app.Application(resolver)
-    environ = testing_environ()
+    environ = environ_for_testing()
     response = ResponseMaker()
     app(environ, response.start_response)
 
@@ -245,7 +245,7 @@ def test_partial_instancemethod_before():
     resolver = StubResolver()
     resolver.controller = functools.partial(Controller().foo, text='success')
     app = milla.app.Application(resolver)
-    environ = testing_environ()
+    environ = environ_for_testing()
     response = ResponseMaker()
     app(environ, response.start_response)
 
@@ -260,7 +260,7 @@ def test_function_after():
     resolver = StubResolver()
     resolver.controller.__after__ = after
     app = milla.app.Application(resolver)
-    environ = testing_environ()
+    environ = environ_for_testing()
     response = ResponseMaker()
     app(environ, response.start_response)
 
@@ -276,7 +276,7 @@ def test_instance_after():
             return 'success'
 
     app = milla.app.Application(StubResolver(Controller()))
-    environ = testing_environ()
+    environ = environ_for_testing()
     response = ResponseMaker()
     app(environ, response.start_response)
 
@@ -292,7 +292,7 @@ def test_instancemethod_after():
             return 'success'
 
     app = milla.app.Application(StubResolver(Controller().foo))
-    environ = testing_environ()
+    environ = environ_for_testing()
     response = ResponseMaker()
     app(environ, response.start_response)
 
@@ -310,7 +310,7 @@ def test_partial_function_after():
     resolver = StubResolver()
     resolver.controller = functools.partial(controller, text='success')
     app = milla.app.Application(resolver)
-    environ = testing_environ()
+    environ = environ_for_testing()
     response = ResponseMaker()
     app(environ, response.start_response)
 
@@ -328,7 +328,7 @@ def test_partial_instance_after():
     resolver = StubResolver()
     resolver.controller = functools.partial(Controller(), text='success')
     app = milla.app.Application(resolver)
-    environ = testing_environ()
+    environ = environ_for_testing()
     response = ResponseMaker()
     app(environ, response.start_response)
 
@@ -349,7 +349,7 @@ def test_partial_instancemethod_after():
     resolver = StubResolver()
     resolver.controller = functools.partial(Controller().foo, text='success')
     app = milla.app.Application(resolver)
-    environ = testing_environ()
+    environ = environ_for_testing()
     response = ResponseMaker()
     app(environ, response.start_response)
 
@@ -361,7 +361,7 @@ def test_httperror_response():
         raise webob.exc.HTTPClientError()
 
     app = milla.app.Application(StubResolver(controller))
-    environ = testing_environ()
+    environ = environ_for_testing()
     response = ResponseMaker()
     app_iter = app(environ, response.start_response)
     response.finish_response(app_iter)
@@ -386,7 +386,7 @@ def test_single_start_response():
         return 'test'
 
     app = milla.app.Application(StubResolver(controller))
-    environ = testing_environ()
+    environ = environ_for_testing()
     response = ResponseMaker()
     start_response = TestStartResponse(response.start_response)
     app_iter = app(environ, start_response)