Test cases failing with 404 error

[ghost]

Hello!

I am following this guide and stumbled on an weird issue. The website works perfectly when i try it in the web browser. But it seems that all the test cases are failing with 404 error page not found (even though i can access everything myself via web browser).
OS: Debian GNU/Linux 9.4 (stretch), Python: Python 3.5.3, Django: (2, 0, 7, 'final', 0).
urls.py
#######
from django.contrib import admin
from django.urls import path, re_path
from boards import views as board_views
from django.conf.urls import url

urlpatterns = [
path('', board_views.home, name='home'),
path('boards/int:pk/', board_views.board_topics, name='board_topics'),
path('boards/int:pk/new/', board_views.new_topic, name='new_topic'),
path('admin/', admin.site.urls),
]
#######

#######
views.py:
from django.shortcuts import render, redirect, get_object_or_404
from django.http import HttpResponse
from .models import Board, Topic, Post

def board_topics(request, pk):
board = get_object_or_404(Board, pk=pk)
return render(request, 'topics.html', {'board': board})

tests.py:
class BoardTopicsTests(TestCase):
def setUp(self):
Board.objects.create(name='Django', description='Django board.')

def test_board_topics_view_success_status_code(self):
     url = reverse('board_topics', kwargs={'pk': 1})
     response = self.client.get(url)
     self.assertEquals(response.status_code, 200)

When i print the variables, i can see that DB object exists, but 404 page not found is returned:
<QuerySet [<Board: Django>]>
b'

Not Found

The requested URL /boards/1/ was not found on this server.

'
404

Thanks!

[mapsic]

Maybe you can try the follow python code.

class BoardTopicsTests(TestCase):
    def setUp(self):
        self.board = Board.objects.create(name='Linux',
                                          description='Linux board.')

    def test_board_topics_view_success_status_code(self):
        url = reverse('board_topics', kwargs={'pk': self.board.pk})
        response = self.client.get(url)
        self.assertEquals(response.status_code, 200)