Removed multi replies from tests

boards/tests/test_post.py

@@ -155,37 +155,22 b' class PostTests(TestCase):'
         """
 
         op1 = Post.objects.create_post(title='title', text='text')
-        op2 = Post.objects.create_post(title='title', text='text')
 
         thread1 = op1.get_thread()
         thread1.max_posts = 5
         thread1.save()
 
         uid_1 = op1.uid
-        uid_2 = op2.uid
 
         # Create multi reply
         Post.objects.create_post(
-            title='title', text='text', thread=thread1,
-            opening_posts=[op1, op2])
-        thread_update_time_2 = op2.get_thread().last_edit_time
+            title='title', text='text', thread=thread1)
         for i in range(6):
             Post.objects.create_post(title='title', text='text',
                                      thread=thread1)
 
         self.assertFalse(op1.get_thread().can_bump(),
                          'Thread is bumpable when it should not be.')
-        self.assertTrue(op2.get_thread().can_bump(),
-                        'Thread is not bumpable when it should be.')
         self.assertNotEqual(
             uid_1, Post.objects.get(id=op1.id).uid,
             'UID of the first OP should be changed but it is not.')
-        self.assertEqual(
-            uid_2, Post.objects.get(id=op2.id).uid,
-            'UID of the first OP should not be changed but it is.')
-
-        self.assertNotEqual(
-            thread_update_time_2,
-            Thread.objects.get(id=op2.get_thread().id).last_edit_time,
-            'Thread last update time should change when the other thread '
-            'changes status.')