use DatabaseFeatures.rounds_to_even

Author: timgraham

django_mongodb/features.py

@@ -14,6 +14,7 @@ class DatabaseFeatures(BaseDatabaseFeatures):
     greatest_least_ignores_nulls = True
     has_json_object_function = False
     has_native_json_field = True
+    rounds_to_even = True
     supports_boolean_expr_in_select_clause = True
     supports_collation_on_charfield = False
     supports_column_check_constraints = False
@@ -62,8 +63,6 @@ class DatabaseFeatures(BaseDatabaseFeatures):
         # Pattern lookups that use regexMatch don't work on JSONField:
         # Unsupported conversion from array to string in $convert
         "model_fields.test_jsonfield.TestQuerying.test_icontains",
-        # MongoDB gives ROUND(365, -1)=360 instead of 370 like other databases.
-        "db_functions.math.test_round.RoundTests.test_integer_with_negative_precision",
         # Truncating in another timezone doesn't work becauase MongoDB converts
         # the result back to UTC.
         "db_functions.datetime.test_extract_trunc.DateFunctionWithTimeZoneTests.test_trunc_func_with_timezone",