Introduce constants for test readability

Author: grihabor

tests/table/test_init.py

@@ -795,21 +795,23 @@ def test_update_metadata_set_snapshot_ref(table_v2: Table) -> None:
 
 
 def test_update_remove_snapshots(table_v2: Table) -> None:
+    REMOVE_SNAPSHOT = 3051729675574597004
+    KEEP_SNAPSHOT = 3055729675574597004
     # assert fixture data to easily understand the test assumptions
     assert len(table_v2.metadata.snapshots) == 2
     assert len(table_v2.metadata.snapshot_log) == 2
     assert len(table_v2.metadata.refs) == 2
-    update = RemoveSnapshotsUpdate(snapshot_ids=[3051729675574597004])
+    update = RemoveSnapshotsUpdate(snapshot_ids=[REMOVE_SNAPSHOT])
     new_metadata = update_table_metadata(table_v2.metadata, (update,))
     assert len(new_metadata.snapshots) == 1
-    assert new_metadata.snapshots[0].snapshot_id == 3055729675574597004
+    assert new_metadata.snapshots[0].snapshot_id == KEEP_SNAPSHOT
     assert new_metadata.snapshots[0].parent_snapshot_id is None
-    assert new_metadata.current_snapshot_id == 3055729675574597004
+    assert new_metadata.current_snapshot_id == KEEP_SNAPSHOT
     assert new_metadata.last_updated_ms > table_v2.metadata.last_updated_ms
     assert len(new_metadata.snapshot_log) == 1
-    assert new_metadata.snapshot_log[0].snapshot_id == 3055729675574597004
+    assert new_metadata.snapshot_log[0].snapshot_id == KEEP_SNAPSHOT
     assert len(new_metadata.refs) == 1
-    assert new_metadata.refs["main"].snapshot_id == 3055729675574597004
+    assert new_metadata.refs["main"].snapshot_id == KEEP_SNAPSHOT
 
 
 def test_update_remove_snapshots_doesnt_exist(table_v2: Table) -> None: