Mark test_can_reset_attempts test as flaky

common/test/acceptance/tests/lms/test_lms_instructor_dashboard.py

@@ -5,6 +5,7 @@ End-to-end tests for the LMS Instructor Dashboard.
 
 import ddt
 from bok_choy.promise import EmptyPromise
+from flaky import flaky
 from nose.plugins.attrib import attr
 
 from common.test.acceptance.fixtures.certificates import CertificateConfigFixture
@@ -424,6 +425,7 @@ class ProctoredExamsTest(BaseInstructorDashboardTest):
         # Then, the added record should be visible
         self.assertTrue(allowance_section.is_allowance_record_visible)
 
+    @flaky  # See EDUCATOR-551
     def test_can_reset_attempts(self):
         """
         Make sure that Exam attempts are visible and can be reset.