make MockObject, MockQuerySet and ExamplePagination visible outside of setup

tests/test_pagination.py

@@ -186,6 +186,7 @@ class TestPageNumberPagination:
     def setup(self):
         class ExamplePagination(pagination.PageNumberPagination):
             page_size = 5
+
         self.pagination = ExamplePagination()
         self.queryset = range(1, 101)
 
@@ -475,32 +476,30 @@ class TestCursorPagination:
     """
     Unit tests for `pagination.CursorPagination`.
     """
-
-    def setup(self):
     class MockObject(object):
         def __init__(self, idx):
             self.created = idx
 
     class MockQuerySet(object):
         def __init__(self, items):
-                self.items = items
+            self.items = list(items)
 
         def filter(self, created__gt=None, created__lt=None):
             if created__gt is not None:
-                    return MockQuerySet([
+                return type(self)([
                     item for item in self.items
                     if item.created > int(created__gt)
                 ])
 
             assert created__lt is not None
-                return MockQuerySet([
+            return type(self)([
                 item for item in self.items
                 if item.created < int(created__lt)
             ])
 
         def order_by(self, *ordering):
             if ordering[0].startswith('-'):
-                    return MockQuerySet(list(reversed(self.items)))
+                return type(self)(list(reversed(self.items)))
             return self
 
         def __getitem__(self, sliced):
@@ -510,17 +509,18 @@ class TestCursorPagination:
         page_size = 5
         ordering = 'created'
 
-        self.pagination = ExamplePagination()
-        self.queryset = MockQuerySet([
-            MockObject(idx) for idx in [
+    def setup(self):
+        self.pagination = self.ExamplePagination()
+        self.queryset = self.MockQuerySet(
+            map(self.MockObject, [
                 1, 1, 1, 1, 1,
                 1, 2, 3, 4, 4,
                 4, 4, 5, 6, 7,
                 7, 7, 7, 7, 7,
                 7, 7, 7, 8, 9,
                 9, 9, 9, 9, 9
-            ]
             ])
+        )
 
     def get_pages(self, url):
         """