From 1a67755f6aca5dac26dcc686c60c95b0809986e3 Mon Sep 17 00:00:00 2001
From: Ethan Peterson <ethan.peterson@mit.edu>
Date: Wed, 19 Oct 2022 14:27:18 -0400
Subject: [PATCH] update unit test

---
 tests/unit_tests/test_cell.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tests/unit_tests/test_cell.py b/tests/unit_tests/test_cell.py
index faecf0b63..56e610e26 100644
--- a/tests/unit_tests/test_cell.py
+++ b/tests/unit_tests/test_cell.py
@@ -294,9 +294,11 @@ def test_to_xml_element(cell_with_lattice):
 
     c = cells[0]
     c.temperature = 900.0
+    c.volume = 1.0
     elem = c.create_xml_subelement(root)
     assert elem.get('region') == str(c.region)
     assert elem.get('temperature') == str(c.temperature)
+    assert elem.get('volume') == str(c.volume)
 
 
 @pytest.mark.parametrize("rotation", [