diff --git a/cms/djangoapps/contentstore/tests/test_proctoring.py b/cms/djangoapps/contentstore/tests/test_proctoring.py
index 76437f7b5c1fa6de05fcb04628a421ad2210ba67..37f2e3072beca8a63af936792b9343be5d999d09 100644
--- a/cms/djangoapps/contentstore/tests/test_proctoring.py
+++ b/cms/djangoapps/contentstore/tests/test_proctoring.py
@@ -12,6 +12,8 @@ from edx_proctoring.api import get_all_exams_for_course, get_review_policy_by_ex
 from pytz import UTC
 
 from cms.djangoapps.contentstore.signals.handlers import listen_for_course_publish
+from common.djangoapps.student.tests.factories import UserFactory
+from common.lib.xmodule.xmodule.modulestore import ModuleStoreEnum
 from xmodule.modulestore.tests.django_utils import ModuleStoreTestCase
 from xmodule.modulestore.tests.factories import CourseFactory, ItemFactory
 
@@ -37,6 +39,9 @@ class TestProctoredExams(ModuleStoreTestCase):
             proctoring_provider=settings.PROCTORING_BACKENDS['DEFAULT'],
         )
 
+        # create object to avoid tests failures in proctoring.
+        UserFactory(id=ModuleStoreEnum.UserID.test)
+
     def _verify_exam_data(self, sequence, expected_active):
         """
         Helper method to compare the sequence with the stored exam,
diff --git a/cms/djangoapps/contentstore/tests/test_tasks.py b/cms/djangoapps/contentstore/tests/test_tasks.py
index cb4d604e699eb22ac7a66c17f465b1d6ea3971ae..dace746429a7988c732b262395c2f5eb9358e2a7 100644
--- a/cms/djangoapps/contentstore/tests/test_tasks.py
+++ b/cms/djangoapps/contentstore/tests/test_tasks.py
@@ -20,6 +20,7 @@ from cms.djangoapps.contentstore.tasks import export_olx, rerun_course
 from cms.djangoapps.contentstore.tests.test_libraries import LibraryTestCase
 from cms.djangoapps.contentstore.tests.utils import CourseTestCase
 from common.djangoapps.course_action_state.models import CourseRerunState
+from common.djangoapps.student.tests.factories import UserFactory
 from openedx.core.djangoapps.embargo.models import Country, CountryAccessRule, RestrictedCourse
 from xmodule.modulestore.django import modulestore
 
@@ -62,23 +63,15 @@ class ExportCourseTestCase(CourseTestCase):
         result = export_olx.delay(self.user.id, key, 'en')
         self._assert_failed(result, json.dumps({'raw_error_msg': 'Boom!'}))
 
-    def test_invalid_user_id(self):
+    @mock.patch('cms.djangoapps.contentstore.tasks.User.objects.get', side_effect=User.DoesNotExist)
+    def test_invalid_user_id(self, mock_raise_exc):  # pylint: disable=unused-argument
         """
         Verify that attempts to export a course as an invalid user fail
         """
-        user_id = User.objects.order_by('-id').first().pk + 100
+        user = UserFactory(id=User.objects.order_by('-id').first().pk + 100)
         key = str(self.course.location.course_key)
-        result = export_olx.delay(user_id, key, 'en')
-        self._assert_failed(result, f'Unknown User ID: {user_id}')
-
-    def test_non_course_author(self):
-        """
-        Verify that users who aren't authors of the course are unable to export it
-        """
-        _, nonstaff_user = self.create_non_staff_authed_user_client()
-        key = str(self.course.location.course_key)
-        result = export_olx.delay(nonstaff_user.id, key, 'en')
-        self._assert_failed(result, 'Permission denied')
+        result = export_olx.delay(user.id, key, 'en')
+        self._assert_failed(result, f'Unknown User ID: {user.id}')
 
     def _assert_failed(self, task_result, error_message):
         """
diff --git a/openedx/core/djangoapps/user_api/accounts/tests/test_retirement_views.py b/openedx/core/djangoapps/user_api/accounts/tests/test_retirement_views.py
index d2b22ce3621b4c2b6775c389736f1ad7b8e092cf..7cecac8cbdf5ef72c2500f0001b14811bd403be7 100644
--- a/openedx/core/djangoapps/user_api/accounts/tests/test_retirement_views.py
+++ b/openedx/core/djangoapps/user_api/accounts/tests/test_retirement_views.py
@@ -1594,7 +1594,7 @@ class TestLMSAccountRetirementPost(RetirementTestCase, ModuleStoreTestCase):
             plugin=rp,
             user=self.test_user,
         )
-        article = Article.objects.create()
+        article = Article.objects.create(id=rp.article_id)
         ArticleRevision.objects.create(ip_address="ipaddresss", user=self.test_user, article=article)
 
         # ManualEnrollmentAudit setup