diff --git a/course/calendar.py b/course/calendar.py
index c0da25d3152a9b4074f2a13d96faca24df6f955d..aca6dd68697dedb379b0854a30fea712988db465 100644
--- a/course/calendar.py
+++ b/course/calendar.py
@@ -367,6 +367,7 @@ def view_calendar(pctx):
     if not pctx.has_permission(pperm.view_calendar):
         raise PermissionDenied(_("may not view calendar"))
 
+    # must import locally for mock to work
     from course.views import get_now_or_fake_time
     now = get_now_or_fake_time(pctx.request)
 
diff --git a/course/exam.py b/course/exam.py
index 8e97a8a4186ca900a84e071f13994d8f0aeadbc6..b2321bd01e0e08848621147fbb33e7c13af2d525 100644
--- a/course/exam.py
+++ b/course/exam.py
@@ -55,7 +55,6 @@ from course.constants import (
         exam_ticket_states,
         participation_status,
         participation_permission as pperm)
-from course.views import get_now_or_fake_time
 
 from relate.utils import StyledForm, string_concat
 
@@ -140,6 +139,8 @@ class IssueTicketForm(StyledForm):
 
 @permission_required("course.can_issue_exam_tickets", raise_exception=True)
 def issue_exam_ticket(request):
+    # must import locally for mock to work
+    from course.views import get_now_or_fake_time
     now_datetime = get_now_or_fake_time(request)
 
     if request.method == "POST":
@@ -538,6 +539,8 @@ class ExamCheckInForm(StyledForm):
 @csrf_protect
 @never_cache
 def check_in_for_exam(request):
+    # must import locally for mock to work
+    from course.views import get_now_or_fake_time
     now_datetime = get_now_or_fake_time(request)
 
     if request.method == "POST":
@@ -790,6 +793,8 @@ class ExamLockdownMiddleware(object):
 # {{{ list available exams
 
 def list_available_exams(request):
+    # must import locally for mock to work
+    from course.views import get_now_or_fake_time
     now_datetime = get_now_or_fake_time(request)
 
     if request.user.is_authenticated:
diff --git a/tests/test_exam.py b/tests/test_exam.py
index 896c0de7a0e8a8b5cb6a01315adbe292df70016a..b57adc2102056b24d62f002aaf4bd7b0cd9ecabb 100644
--- a/tests/test_exam.py
+++ b/tests/test_exam.py
@@ -77,6 +77,12 @@ class ExamTestMixin(SingleCourseTestMixin, MockAddMessageMixing):
         super(ExamTestMixin, self).setUp()
         self.c.force_login(self.instructor_participation.user)
 
+        fake_get_now_or_fake_time = mock.patch(
+            "course.views.get_now_or_fake_time")
+        self.mock_get_now_or_fake_time = fake_get_now_or_fake_time.start()
+        self.mock_get_now_or_fake_time.return_value = now()
+        self.addCleanup(fake_get_now_or_fake_time.stop)
+
     def get_post_data(self, **kwargs):
         data = {
             "user": self.student_participation.user.pk,
@@ -129,6 +135,8 @@ class IssueExamTicketTest(ExamTestMixin, TestCase):
         self.assertEqual(ExamTicket.objects.count(), 0)
 
     def test_post_success(self):
+        self.mock_get_now_or_fake_time.return_value = self.default_faked_now
+
         resp = self.post_issue_exam_ticket_view(data=self.get_post_data())
         self.assertFormErrorLoose(resp, None)
         self.assertEqual(resp.status_code, 200)
@@ -138,6 +146,8 @@ class IssueExamTicketTest(ExamTestMixin, TestCase):
         self.assertAddMessageCalledWith("The ticket code is")
 
     def test_form_invalid(self):
+        self.mock_get_now_or_fake_time.return_value = self.default_faked_now
+
         with mock.patch("course.exam.IssueTicketForm.is_valid") as mock_is_valid:
             mock_is_valid.return_value = False
             resp = self.post_issue_exam_ticket_view(data=self.get_post_data())
@@ -146,6 +156,8 @@ class IssueExamTicketTest(ExamTestMixin, TestCase):
             self.assertEqual(ExamTicket.objects.count(), 0)
 
     def test_participation_not_match(self):
+        self.mock_get_now_or_fake_time.return_value = self.default_faked_now
+
         another_exam = factories.ExamFactory(
             course=factories.CourseFactory(identifier="another-course"))
         resp = self.post_issue_exam_ticket_view(
@@ -157,6 +169,8 @@ class IssueExamTicketTest(ExamTestMixin, TestCase):
         self.assertAddMessageCalledWith("User is not enrolled in course.")
 
     def test_revoke_revoke_prior_ticket(self):
+        self.mock_get_now_or_fake_time.return_value = self.default_faked_now
+
         prior_ticket = factories.ExamTicketFactory(
             exam=self.exam,
             participation=self.student_participation,