test(datasets): Make Sentry use generic test functions in Snuba

When we run tests in Sentry that hit Snuba, we insert records and delete the database at the end of every test run. We do this using the following test endpoints in Snuba:
* `/tests/insert`
* `/tests/eventstream`
* `/tests/drop`

These endpoints only worked for the `events` dataset. We want it to work for any dataset.

So, getsentry/snuba#366 introduced 3 new test endpoints to Snuba with the goal of replacing the 3 endpoints mentioned earlier:
* `/tests/<datastream>/insert`
* `/tests/<datastream>/eventstream`
* `/tests/<datastream>/drop`

This PR makes Sentry use the new endpoints in Snuba. The next step is to remove the old non-generic endpoints from Snuba.

Author: Manu Zope

src/sentry/eventstream/snuba.py

@@ -249,7 +249,7 @@ def _send(self, project_id, _type, extra_data=(), asynchronous=True):
 
         try:
             resp = snuba._snuba_pool.urlopen(
-                'POST', '/tests/eventstream',
+                'POST', '/tests/events/eventstream',
                 body=json.dumps(data),
             )
             if resp.status != 200:

src/sentry/testutils/cases.py

@@ -872,7 +872,7 @@ def setUp(self):
     def init_snuba(self):
         self.snuba_eventstream = SnubaEventStream()
         self.snuba_tagstore = SnubaCompatibilityTagStorage()
-        assert requests.post(settings.SENTRY_SNUBA + '/tests/drop').status_code == 200
+        assert requests.post(settings.SENTRY_SNUBA + '/tests/events/drop').status_code == 200
 
     def store_event(self, *args, **kwargs):
         with contextlib.nested(
@@ -951,7 +951,7 @@ def snuba_insert(self, events):
             events = [events]
 
         assert requests.post(
-            settings.SENTRY_SNUBA + '/tests/insert',
+            settings.SENTRY_SNUBA + '/tests/events/insert',
             data=json.dumps(events)
         ).status_code == 200
 

tests/snuba/tagstore/test_tagstore_backend.py

@@ -101,7 +101,10 @@ def setUp(self):
             },
         }])
 
-        assert requests.post(settings.SENTRY_SNUBA + '/tests/insert', data=data).status_code == 200
+        assert requests.post(
+            settings.SENTRY_SNUBA +
+            '/tests/events/insert',
+            data=data).status_code == 200
 
     def test_get_group_tag_keys_and_top_values(self):
         result = list(self.ts.get_group_tag_keys_and_top_values(

tests/snuba/tsdb/test_tsdb_backend.py

@@ -133,7 +133,10 @@ def setUp(self):
             },
         } for r in range(0, 14400, 600)])  # Every 10 min for 4 hours
 
-        assert requests.post(settings.SENTRY_SNUBA + '/tests/insert', data=data).status_code == 200
+        assert requests.post(
+            settings.SENTRY_SNUBA +
+            '/tests/events/insert',
+            data=data).status_code == 200
 
         # snuba trims query windows based on first_seen/last_seen, so these need to be correct-ish
         self.proj1group1.first_seen = self.now