## View:
def testView(request, param_INT):
    user_ID = request.user.id
    context_DIC = {'contextKeyFromView_STR': param_INT, 'user_ID':user_ID}
    return render(request, 'sprache/test.html', context_DIC)

## Test:
@pytest.mark.django_db(transaction=True)
def test_x():
    User.objects.create_user(
        username='Testuser2@xxx.com'
        , email='testuser2@xxx.com'
        , password='xxx'
        , is_superuser=0
        , last_name='Walker'
        , is_staff=0
        , is_active=1
    )
    user = User.objects.get_by_natural_key(username='Testuser2@xxx.com')

    url = reverse('sprache:testView', kwargs={'param_INT': 11})

    contextValueFromPost_INT = 55
    context_DIC = {'contextKeyFromPost_STR': contextValueFromPost_INT}

    request = RequestFactory().post(
        path = url,
        data=context_DIC,
    )
    request.user = user

    response = testView(request, param_INT=11)

    assert response.context['contextKeyFromView_STR'] == 11
    assert response.context['user_ID'] == 1

## Error:
#    @pytest.mark.django_db(transaction=True)
#    def test_x():
#        User.objects.create_user(
#            username='Testuser2@xxx.com'
#            , email='testuser2@xxx.com'
#            , password='xxx'
#            , is_superuser=0
#            , last_name='Walker'
#            , is_staff=0
#            , is_active=1
#        )
#        user = User.objects.get_by_natural_key(username='Testuser2@xxx.com')
#
#        url = reverse('sprache:testView', kwargs={'param_INT': 11})
#
#        contextValueFromPost_INT = 55
#        context_DIC = {'contextKeyFromPost_STR': contextValueFromPost_INT}
#
#        request = RequestFactory().post(
#            path = url,
#            data=context_DIC,
#        )
#        request.user = user
#
#        response = testView(request, param_INT=11)
#
#>       assert response.context['contextKeyFromView_STR'] == 11
#E       AttributeError: 'HttpResponse' object has no attribute 'context'