diff --git a/tests/expressions/tests.py b/tests/expressions/tests.py
index da9d190096..83aa4c531a 100644
--- a/tests/expressions/tests.py
+++ b/tests/expressions/tests.py
@@ -1760,10 +1760,8 @@ class ExpressionOperatorTests(TestCase):
         Number.objects.filter(pk=self.n.pk).update(
             integer=640 / F("integer"), float=42.7 / F("float")
         )
-        # Unlike SQL, MongoDB doesn't truncate decimals for integer division.
-        self.assertEqual(
-            Number.objects.get(pk=self.n.pk).integer, Approximate(15.238, places=3)
-        )
+
+        self.assertEqual(Number.objects.get(pk=self.n.pk).integer, 15)
         self.assertEqual(
             Number.objects.get(pk=self.n.pk).float, Approximate(2.755, places=3)
         )
diff --git a/tests/migrations/test_operations.py b/tests/migrations/test_operations.py
index 3e226cd6a3..2c3e26cfc6 100644
--- a/tests/migrations/test_operations.py
+++ b/tests/migrations/test_operations.py
@@ -553,9 +553,11 @@ class OperationTests(OperationTestBase):
         self.assertTableExists("test_crmo_pony")
         # Test constraint works
         Pony = new_state.apps.get_model("test_crmo", "Pony")
-        Pony.objects.create(pink=1, weight=4.0)
-        Pony.objects.create(pink=1, weight=4.0)
-        Pony.objects.create(pink=1, weight=6.0)
+        from bson import Int64
+
+        Pony.objects.create(pink=Int64(1), weight=4.0)
+        Pony.objects.create(pink=Int64(1), weight=4.0)
+        Pony.objects.create(pink=Int64(1), weight=6.0)
         if connection.features.supports_partial_indexes:
             with self.assertRaises(IntegrityError):
                 Pony.objects.create(pink=1, weight=7.0)
@@ -3640,16 +3642,18 @@ class OperationTests(OperationTestBase):
         # cursor.execute("INSERT INTO test_alunto_pony (pink, weight) VALUES (1, 1)")
         # cursor.execute("DELETE FROM test_alunto_pony")
         pony = connection.database["test_alunto_pony"]
-        pony.insert_one({"pink": 1, "weight": 1.0})
-        pony.insert_one({"pink": 1, "weight": 1.0})
+        from bson import Int64
+
+        pony.insert_one({"pink": Int64(1), "weight": 1.0})
+        pony.insert_one({"pink": Int64(1), "weight": 1.0})
         pony.delete_many({})
         # Test the database alteration
         with connection.schema_editor() as editor:
             operation.database_forwards("test_alunto", editor, project_state, new_state)
         # cursor.execute("INSERT INTO test_alunto_pony (pink, weight) VALUES (1, 1)")
-        pony.insert_one({"pink": 1, "weight": 1.0})
+        pony.insert_one({"pink": Int64(1), "weight": 1.0})
         with self.assertRaises(DuplicateKeyError):
-            pony.insert_one({"pink": 1, "weight": 1.0})
+            pony.insert_one({"pink": Int64(1), "weight": 1.0})
             # with atomic():
             #     cursor.execute(
             #         "INSERT INTO test_alunto_pony (pink, weight) VALUES (1, 1)"
@@ -3664,8 +3668,8 @@ class OperationTests(OperationTestBase):
         # cursor.execute("INSERT INTO test_alunto_pony (pink, weight) VALUES (1, 1)")
         # cursor.execute("INSERT INTO test_alunto_pony (pink, weight) VALUES (1, 1)")
         # cursor.execute("DELETE FROM test_alunto_pony")
-        pony.insert_one({"pink": 1, "weight": 1.0})
-        pony.insert_one({"pink": 1, "weight": 1.0})
+        pony.insert_one({"pink": Int64(1), "weight": 1.0})
+        pony.insert_one({"pink": Int64(1), "weight": 1.0})
         pony.delete_many({})
         # Test flat unique_together
         operation = migrations.AlterUniqueTogether("Pony", ("pink", "weight"))