Fixed test search flaky on Firefox and Chrome

common/test/acceptance/pages/lms/teams.py

@@ -285,6 +285,7 @@ class BaseTeamsPage(CoursePage, PaginatedUIMixin, TeamCardsMixin, BreadcrumbsMix
         """
         self.q(css='.search-field').first.fill(string)
         self.q(css='.action-search').first.click()
+        self.wait_for_ajax()
         self.wait_for(
             lambda: self._showing_search_results,
             description="Showing search results"

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

@@ -812,7 +812,6 @@ class BrowseTeamsWithinTopicTest(TeamsTabBase):
         self.browse_teams_page.click_browse_all_teams_link()
         self.assertTrue(self.topics_page.is_browser_on_page())
 
-    @flaky  # TODO: fix flaky test. See TNL-3489
     def test_search(self):
         """
         Scenario: User should be able to search for a team