add test

Author: chinmay-bhat

tests/table/test_init.py

@@ -204,6 +204,18 @@ def test_snapshot_by_id(table_v2: Table) -> None:
     )
 
 
+def test_snapshot_by_timestamp(table_v2: Table) -> None:
+    assert table_v2.snapshot_by_timestamp(1555100955771) == Snapshot(
+        snapshot_id=3055729675574597004,
+        parent_snapshot_id=3051729675574597004,
+        sequence_number=1,
+        timestamp_ms=1555100955770,
+        manifest_list="s3://a/b/2.avro",
+        summary=Summary(operation=Operation.APPEND),
+        schema_id=1,
+    )
+
+
 def test_snapshot_by_id_does_not_exist(table_v2: Table) -> None:
     assert table_v2.snapshot_by_id(-1) is None