Assign cohorts to groups in the instructor dashboard

TNL-653

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

@@ -153,7 +153,7 @@ class MembershipPageCohortManagementSection(PageObject):
         Adds a new manual cohort with the specified name.
         """
         self.q(css=self._bounded_selector("div.cohort-management-nav .action-create")).first.click()
-        textinput = self.q(css=self._bounded_selector("#cohort-create-name")).results[0]
+        textinput = self.q(css=self._bounded_selector("#cohort-name")).results[0]
         textinput.send_keys(cohort_name)
         self.q(css=self._bounded_selector("div.form-actions .action-save")).first.click()
 

common/test/acceptance/tests/discussion/helpers.py

@@ -3,6 +3,7 @@ Helper functions and classes for discussion tests.
 """
 
 from uuid import uuid4
+import json
 
 from ...fixtures.discussion import (
     SingleThreadViewFixture,
@@ -68,11 +69,11 @@ class CohortTestMixin(object):
         """
         Adds a cohort group by name, returning the ID for the group.
         """
-        url = LMS_BASE_URL + "/courses/" + course_fixture._course_key + '/cohorts/add'
-        data = {"name": cohort_name}
+        url = LMS_BASE_URL + "/courses/" + course_fixture._course_key + '/cohorts/'
+        data = json.dumps({"name": cohort_name})
         response = course_fixture.session.post(url, data=data, headers=course_fixture.headers)
         self.assertTrue(response.ok, "Failed to create cohort")
-        return response.json()['cohort']['id']
+        return response.json()['id']
 
     def add_user_to_cohort(self, course_fixture, username, cohort_id):
         """