diff --git a/evap/contributor/tests/test_forms.py b/evap/contributor/tests/test_forms.py
index 281fe6e1ad..0fd672a9d9 100644
--- a/evap/contributor/tests/test_forms.py
+++ b/evap/contributor/tests/test_forms.py
@@ -1,10 +1,9 @@
 from django.forms.models import inlineformset_factory
-from django.test import TestCase
 from model_bakery import baker
 
 from evap.contributor.forms import EditorContributionForm, EvaluationForm
 from evap.evaluation.models import Contribution, Evaluation, Program, Questionnaire, UserProfile
-from evap.evaluation.tests.tools import WebTest, get_form_data_from_instance
+from evap.evaluation.tests.tools import TestCase, WebTest, get_form_data_from_instance
 from evap.staff.forms import ContributionFormset
 
 
diff --git a/evap/contributor/tests/test_views.py b/evap/contributor/tests/test_views.py
index a5c2c51b6c..3659ce91e3 100644
--- a/evap/contributor/tests/test_views.py
+++ b/evap/contributor/tests/test_views.py
@@ -1,7 +1,7 @@
 import xlrd
 from django.core import mail
 from django.urls import reverse
-from django_webtest import WebTest
+from evap.evaluation.tests.tools import WebTest
 from model_bakery import baker
 
 from evap.evaluation.models import Contribution, Course, Evaluation, Questionnaire, UserProfile
diff --git a/evap/development/tests/test_commands.py b/evap/development/tests/test_commands.py
index 0e8c7c058a..476bf88beb 100644
--- a/evap/development/tests/test_commands.py
+++ b/evap/development/tests/test_commands.py
@@ -4,7 +4,8 @@
 
 from django.conf import settings
 from django.core import management
-from django.test import TestCase
+
+from evap.evaluation.tests.tools import TestCase
 
 
 class TestDumpTestDataCommand(TestCase):
diff --git a/evap/evaluation/tests/test_commands.py b/evap/evaluation/tests/test_commands.py
index 53e57448c8..fc378f2885 100644
--- a/evap/evaluation/tests/test_commands.py
+++ b/evap/evaluation/tests/test_commands.py
@@ -11,7 +11,6 @@
 from django.core import mail, management
 from django.core.management import CommandError
 from django.db.models import Sum
-from django.test import TestCase
 from django.test.utils import override_settings
 from model_bakery import baker
 
@@ -29,7 +28,7 @@
     TextAnswer,
     UserProfile,
 )
-from evap.evaluation.tests.tools import make_manager, make_rating_answer_counters
+from evap.evaluation.tests.tools import TestCase, make_manager, make_rating_answer_counters
 from evap.tools import MonthAndDay
 
 
diff --git a/evap/evaluation/tests/test_forms.py b/evap/evaluation/tests/test_forms.py
index d45ee02d72..371d275c33 100644
--- a/evap/evaluation/tests/test_forms.py
+++ b/evap/evaluation/tests/test_forms.py
@@ -1,9 +1,8 @@
-from django.test import TestCase
 from model_bakery import baker
 
 from evap.evaluation.forms import NewKeyForm, ProfileForm
 from evap.evaluation.models import UserProfile
-from evap.evaluation.tests.tools import get_form_data_from_instance
+from evap.evaluation.tests.tools import TestCase, get_form_data_from_instance
 
 
 class TestNewKeyForm(TestCase):
diff --git a/evap/evaluation/tests/test_misc.py b/evap/evaluation/tests/test_misc.py
index 46fcd87a07..07bef0f4d8 100644
--- a/evap/evaluation/tests/test_misc.py
+++ b/evap/evaluation/tests/test_misc.py
@@ -3,13 +3,12 @@
 
 from django.conf import settings
 from django.core.management import call_command
-from django.test import TestCase
 from django.test.utils import override_settings
 from django.urls import reverse
 from model_bakery import baker
 
 from evap.evaluation.models import CourseType, Program, Semester, UserProfile
-from evap.evaluation.tests.tools import make_manager, submit_with_modal
+from evap.evaluation.tests.tools import TestCase, make_manager, submit_with_modal
 from evap.staff.tests.utils import WebTestStaffMode
 
 
diff --git a/evap/evaluation/tests/test_models.py b/evap/evaluation/tests/test_models.py
index 742d0b2e2e..fe3e431c0a 100644
--- a/evap/evaluation/tests/test_models.py
+++ b/evap/evaluation/tests/test_models.py
@@ -5,8 +5,8 @@
 from django.core import mail
 from django.core.cache import caches
 from django.core.exceptions import ValidationError
-from django.test import TestCase, override_settings
-from django_webtest import WebTest
+from django.test import override_settings
+from evap.evaluation.tests.tools import WebTest
 from model_bakery import baker
 
 from evap.evaluation.models import (
@@ -25,6 +25,7 @@
     UserProfile,
 )
 from evap.evaluation.tests.tools import (
+    TestCase,
     let_user_vote_for_evaluation,
     make_contributor,
     make_editor,
diff --git a/evap/evaluation/tests/test_models_logging.py b/evap/evaluation/tests/test_models_logging.py
index ea900dc4fd..a7c5b72fd2 100644
--- a/evap/evaluation/tests/test_models_logging.py
+++ b/evap/evaluation/tests/test_models_logging.py
@@ -1,11 +1,11 @@
 from datetime import date, datetime, timedelta
 
-from django.test import TestCase
 from django.utils.formats import localize
 from model_bakery import baker
 
 from evap.evaluation.models import Contribution, Course, Evaluation, Questionnaire, UserProfile
 from evap.evaluation.models_logging import FieldAction, InstanceActionType
+from evap.evaluation.tests.tools import TestCase
 
 
 class TestLoggedModel(TestCase):
diff --git a/evap/evaluation/tests/test_tools.py b/evap/evaluation/tests/test_tools.py
index ce8a9e5c7e..84efbdda4d 100644
--- a/evap/evaluation/tests/test_tools.py
+++ b/evap/evaluation/tests/test_tools.py
@@ -5,12 +5,11 @@
 from django.core.exceptions import SuspiciousOperation
 from django.db.models import Model, prefetch_related_objects
 from django.http import Http404
-from django.test.testcases import TestCase
 from django.utils import translation
 from model_bakery import baker
 
 from evap.evaluation.models import Contribution, Course, Evaluation, TextAnswer, UserProfile
-from evap.evaluation.tests.tools import WebTest
+from evap.evaluation.tests.tools import TestCase, WebTest
 from evap.evaluation.tools import (
     discard_cached_related_objects,
     get_object_from_dict_pk_entry_or_logged_40x,
@@ -37,8 +36,6 @@ def test_respects_stored_language(self):
         self.assertEqual(user.language, "de")
         self.assertEqual(translation.get_language(), "de")
 
-        translation.activate("en")  # for following tests
-
 
 class SaboteurError(Exception):
     """An exception class used for making sure that our mock is raising the exception and not some other unrelated code"""
diff --git a/evap/evaluation/tests/test_views.py b/evap/evaluation/tests/test_views.py
index 2cfe17bacd..8def56e3cc 100644
--- a/evap/evaluation/tests/test_views.py
+++ b/evap/evaluation/tests/test_views.py
@@ -4,7 +4,7 @@
 from django.test import override_settings
 from django.urls import reverse
 from django.utils import translation
-from django_webtest import WebTest
+from evap.evaluation.tests.tools import WebTest
 from model_bakery import baker
 
 from evap.evaluation.models import Evaluation, Question, QuestionType, Semester, UserProfile
@@ -160,8 +160,6 @@ def test_changes_language(self):
         user.refresh_from_db()
         self.assertEqual(user.language, "en")
 
-        translation.activate("en")  # for following tests
-
 
 class TestProfileView(WebTest):
     url = reverse("evaluation:profile_edit")
diff --git a/evap/evaluation/tests/tools.py b/evap/evaluation/tests/tools.py
index 85e776b098..bc40b71d43 100644
--- a/evap/evaluation/tests/tools.py
+++ b/evap/evaluation/tests/tools.py
@@ -4,14 +4,15 @@
 from contextlib import contextmanager
 from datetime import timedelta
 
+import django.test
 import webtest
 from django.conf import settings
 from django.contrib.auth.models import Group
 from django.db import DEFAULT_DB_ALIAS, connections
 from django.http.request import QueryDict
 from django.test.utils import CaptureQueriesContext
-from django.utils import timezone
-from django_webtest import WebTest
+from django.utils import timezone, translation
+import django_webtest
 from model_bakery import baker
 
 from evap.evaluation.models import (
@@ -28,6 +29,20 @@
 )
 
 
+class ResetLanguageOnTearDownMixin():
+    def tearDown(self):
+        super().tearDown()
+        translation.activate("en")  # Django by default does not "reset" this, causing test interdependency
+
+
+class TestCase(django.test.TestCase, ResetLanguageOnTearDownMixin):
+    pass
+
+
+class WebTest(django_webtest.WebTest, ResetLanguageOnTearDownMixin):
+    pass
+
+
 def to_querydict(dictionary):
     querydict = QueryDict(mutable=True)
     for key, value in dictionary.items():
diff --git a/evap/grades/tests.py b/evap/grades/tests.py
index 1e945a95e7..b420f92564 100644
--- a/evap/grades/tests.py
+++ b/evap/grades/tests.py
@@ -3,7 +3,7 @@
 from django.contrib.auth.models import Group
 from django.core import mail
 from django.urls import reverse
-from django_webtest import WebTest
+from evap.evaluation.tests.tools import WebTest
 from model_bakery import baker
 
 from evap.evaluation.models import Contribution, Course, Evaluation, Questionnaire, Semester, UserProfile
diff --git a/evap/results/tests/test_exporters.py b/evap/results/tests/test_exporters.py
index 7d60d33660..99bccb477b 100644
--- a/evap/results/tests/test_exporters.py
+++ b/evap/results/tests/test_exporters.py
@@ -1,7 +1,6 @@
 from io import BytesIO
 
 import xlrd
-from django.test import TestCase
 from django.utils import translation
 from model_bakery import baker
 
@@ -19,7 +18,7 @@
     TextAnswer,
     UserProfile,
 )
-from evap.evaluation.tests.tools import make_rating_answer_counters
+from evap.evaluation.tests.tools import TestCase, make_rating_answer_counters
 from evap.results.exporters import ResultsExporter, TextAnswerExporter
 from evap.results.tools import cache_results, get_results
 from evap.results.views import filter_text_answers
diff --git a/evap/results/tests/test_tools.py b/evap/results/tests/test_tools.py
index 2cf5a57402..0891d85c1f 100644
--- a/evap/results/tests/test_tools.py
+++ b/evap/results/tests/test_tools.py
@@ -3,7 +3,6 @@
 from django.conf import settings
 from django.core.cache import caches
 from django.test import override_settings
-from django.test.testcases import TestCase
 from model_bakery import baker
 
 from evap.evaluation.models import (
@@ -17,7 +16,7 @@
     TextAnswer,
     UserProfile,
 )
-from evap.evaluation.tests.tools import make_rating_answer_counters
+from evap.evaluation.tests.tools import TestCase, make_rating_answer_counters
 from evap.results.tools import (
     cache_results,
     calculate_average_course_distribution,
diff --git a/evap/results/tests/test_views.py b/evap/results/tests/test_views.py
index 4ba9a97cfd..119e851bbc 100644
--- a/evap/results/tests/test_views.py
+++ b/evap/results/tests/test_views.py
@@ -6,9 +6,8 @@
 from django.core.management import call_command
 from django.db import connection
 from django.test import override_settings
-from django.test.testcases import TestCase
 from django.test.utils import CaptureQueriesContext
-from django_webtest import WebTest
+from evap.evaluation.tests.tools import WebTest
 from model_bakery import baker
 
 from evap.evaluation.models import (
@@ -25,6 +24,7 @@
     UserProfile,
 )
 from evap.evaluation.tests.tools import (
+    TestCase,
     let_user_vote_for_evaluation,
     make_manager,
     make_rating_answer_counters,
diff --git a/evap/rewards/tests/test_tools.py b/evap/rewards/tests/test_tools.py
index aef456b729..d3769de8c0 100644
--- a/evap/rewards/tests/test_tools.py
+++ b/evap/rewards/tests/test_tools.py
@@ -1,9 +1,9 @@
-from django.test import TestCase, override_settings
+from django.test import override_settings
 from django.urls import reverse
 from model_bakery import baker
 
 from evap.evaluation.models import NO_ANSWER, Course, Evaluation, Question, Questionnaire, QuestionType, UserProfile
-from evap.evaluation.tests.tools import WebTest
+from evap.evaluation.tests.tools import TestCase, WebTest
 from evap.rewards.models import RewardPointGranting, SemesterActivation
 from evap.rewards.tools import reward_points_of_user
 
diff --git a/evap/rewards/tests/test_views.py b/evap/rewards/tests/test_views.py
index b329117eed..d7befd0e60 100644
--- a/evap/rewards/tests/test_views.py
+++ b/evap/rewards/tests/test_views.py
@@ -2,7 +2,7 @@
 
 from django.test import override_settings
 from django.urls import reverse
-from django_webtest import WebTest
+from evap.evaluation.tests.tools import WebTest
 from model_bakery import baker
 
 from evap.evaluation.models import Course, Evaluation, Semester, UserProfile
diff --git a/evap/staff/tests/test_forms.py b/evap/staff/tests/test_forms.py
index c5ea45b7b8..b796817426 100644
--- a/evap/staff/tests/test_forms.py
+++ b/evap/staff/tests/test_forms.py
@@ -1,7 +1,7 @@
 from unittest.mock import patch
 
 from django.forms.models import inlineformset_factory
-from django.test import TestCase, override_settings
+from django.test import override_settings
 from model_bakery import baker
 
 from evap.contributor.forms import EvaluationForm as ContributorEvaluationForm
@@ -21,6 +21,7 @@
     UserProfile,
 )
 from evap.evaluation.tests.tools import (
+    TestCase,
     create_evaluation_with_responsible_and_editor,
     get_form_data_from_instance,
     to_querydict,
diff --git a/evap/staff/tests/test_importers.py b/evap/staff/tests/test_importers.py
index a89af3883e..110eb1569d 100644
--- a/evap/staff/tests/test_importers.py
+++ b/evap/staff/tests/test_importers.py
@@ -6,12 +6,12 @@
 from django.conf import settings
 from django.core.exceptions import ValidationError
 from django.forms.models import model_to_dict
-from django.test import TestCase, override_settings
+from django.test import override_settings
 from model_bakery import baker
 
 import evap.staff.fixtures.excel_files_test_data as excel_data
 from evap.evaluation.models import Contribution, Course, CourseType, Evaluation, Program, Semester, UserProfile
-from evap.evaluation.tests.tools import assert_no_database_modifications
+from evap.evaluation.tests.tools import TestCase, assert_no_database_modifications
 from evap.staff.importers import (
     ImporterLog,
     ImporterLogEntry,
diff --git a/evap/staff/tests/test_tools.py b/evap/staff/tests/test_tools.py
index cab664fd59..da0cd7f0d6 100644
--- a/evap/staff/tests/test_tools.py
+++ b/evap/staff/tests/test_tools.py
@@ -3,14 +3,13 @@
 from unittest.mock import MagicMock, patch
 
 from django.contrib.auth.models import Group
-from django.test import TestCase
 from django.utils.html import escape
-from django_webtest import WebTest
+from evap.evaluation.tests.tools import WebTest
 from model_bakery import baker
 from openpyxl import load_workbook
 
 from evap.evaluation.models import Contribution, Course, Evaluation, UserProfile
-from evap.evaluation.tests.tools import assert_no_database_modifications
+from evap.evaluation.tests.tools import TestCase, assert_no_database_modifications
 from evap.rewards.models import RewardPointGranting, RewardPointRedemption
 from evap.staff.fixtures.excel_files_test_data import (
     create_memory_csv_file,
diff --git a/evap/staff/tests/test_views.py b/evap/staff/tests/test_views.py
index 85de849802..ea679b8639 100644
--- a/evap/staff/tests/test_views.py
+++ b/evap/staff/tests/test_views.py
@@ -14,10 +14,9 @@
 from django.db.models import Model
 from django.http import HttpResponse
 from django.test import override_settings
-from django.test.testcases import TestCase
 from django.urls import reverse
 from django.utils import translation
-from django_webtest import WebTest
+from evap.evaluation.tests.tools import WebTest
 from model_bakery import baker
 
 import evap.staff.fixtures.excel_files_test_data as excel_data
@@ -41,6 +40,7 @@
 )
 from evap.evaluation.tests.tools import (
     FuzzyInt,
+    TestCase,
     assert_no_database_modifications,
     create_evaluation_with_responsible_and_editor,
     let_user_vote_for_evaluation,
diff --git a/evap/staff/tests/utils.py b/evap/staff/tests/utils.py
index 3d38dfdf4a..82daac87c8 100644
--- a/evap/staff/tests/utils.py
+++ b/evap/staff/tests/utils.py
@@ -2,7 +2,7 @@
 import time
 from contextlib import contextmanager
 
-from django_webtest import WebTest
+from evap.evaluation.tests.tools import WebTest
 
 from evap.evaluation.tests.tools import WebTestWith200Check
 from evap.staff.tools import ImportType, generate_import_filename
diff --git a/evap/student/tests/test_views.py b/evap/student/tests/test_views.py
index c9e495de45..a8f5227314 100644
--- a/evap/student/tests/test_views.py
+++ b/evap/student/tests/test_views.py
@@ -3,7 +3,7 @@
 from functools import partial
 
 from django.test.utils import override_settings
-from django_webtest import WebTest
+from evap.evaluation.tests.tools import WebTest
 from model_bakery import baker
 
 from evap.evaluation.models import (