Fix bug where problem attempts per completed was not showing

Fix formatting for linter

Fix order to be alphabetical

analytics_data_api/constants/engagement_events.py

 from analytics_data_api.constants import engagement_entity_types
 
 ATTEMPTED = 'attempted'
+ATTEMPTS_PER_COMPLETED = 'attempts_per_completed'
 COMPLETED = 'completed'
 CONTRIBUTED = 'contributed'
 VIEWED = 'viewed'
@@ -8,7 +9,7 @@ VIEWED = 'viewed'
 # map entity types to events
 EVENTS = {
     engagement_entity_types.DISCUSSION: [CONTRIBUTED],
-    engagement_entity_types.PROBLEM: [ATTEMPTED, COMPLETED],
+    engagement_entity_types.PROBLEM: [ATTEMPTED, ATTEMPTS_PER_COMPLETED, COMPLETED],
     engagement_entity_types.PROBLEMS: [ATTEMPTED, COMPLETED],
     engagement_entity_types.VIDEO: [VIEWED],
     engagement_entity_types.VIDEOS: [VIEWED],

analytics_data_api/v0/tests/views/test_learners.py

@@ -647,3 +647,14 @@ class CourseLearnerMetadataTests(DemoCourseMixin, VerifyCourseIdMixin,
         response = self._get(self.course_id)
         self.assertEqual(response.status_code, 200)
         self.assertDictContainsSubset(expected, json.loads(response.content))
+
+    def test_engagement_ranges_fields(self):
+        actual_entity_types = engagement_entity_types.INDIVIDUAL_TYPES
+        expected_entity_types = ['discussion', 'problem', 'video']
+        self.assertEqual(actual_entity_types, expected_entity_types)
+        actual_events = []
+        for entity_type in actual_entity_types:
+            for event in engagement_events.EVENTS[entity_type]:
+                actual_events.append(event)
+        expected_events = ['contributed', 'attempted', 'attempts_per_completed', 'completed', 'viewed']
+        self.assertEqual(actual_events, expected_events)