remove pymongo 2.x compatibility in tests

Author: dcrosta

flask_pymongo/tests/test_wrappers.py

@@ -1,5 +1,4 @@
 from werkzeug.exceptions import HTTPException
-import pymongo
 
 from flask_pymongo.tests.util import FlaskPyMongoTest
 
@@ -14,10 +13,7 @@ def test_find_one_or_404(self):
         except HTTPException as notfound:
             assert notfound.code == 404, "raised wrong exception"
 
-        if pymongo.version_tuple[0] > 2:
-            self.mongo.db.things.insert_one({"_id": "thing", "val": "foo"})
-        else:
-            self.mongo.db.things.insert({"_id": "thing", "val": "foo"}, w=1)
+        self.mongo.db.things.insert_one({"_id": "thing", "val": "foo"})
 
         # now it should not raise
         thing = self.mongo.db.things.find_one_or_404({"_id": "thing"})
@@ -30,11 +26,7 @@ def test_find_one_or_404(self):
         except HTTPException as notfound:
             assert notfound.code == 404, "raised wrong exception"
 
-        if pymongo.version_tuple[0] > 2:
-            # Write Concern is set to w=1 by default in pymongo > 3.0
-            self.mongo.db.things.morethings.insert_one({"_id": "thing", "val": "foo"})
-        else:
-            self.mongo.db.things.morethings.insert({"_id": "thing", "val": "foo"}, w=1)
+        self.mongo.db.things.morethings.insert_one({"_id": "thing", "val": "foo"})
 
         # now it should not raise
         thing = self.mongo.db.things.morethings.find_one_or_404({"_id": "thing"})