Handle missing level in the same way as missing num

1 files changed, 6 insertions, 0 deletions

diff --git a/tests/docx/numbering_xml_tests.py b/tests/docx/numbering_xml_tests.py
index 6f4e9ac..8fb59ff 100644
--- a/tests/docx/numbering_xml_tests.py
+++ b/tests/docx/numbering_xml_tests.py
@@ -41,3 +41,9 @@ def list_is_not_ordered_if_formatted_as_bullet():
 def list_is_ordered_if_formatted_as_decimal():
     numbering = read_numbering_xml_element(_sample_numbering_xml)
     assert_equal(True, numbering.find_level("47", "1").is_ordered)
+
+
+@istest
+def find_level_returns_none_if_level_cannot_be_found():
+    numbering = read_numbering_xml_element(_sample_numbering_xml)
+    assert_equal(None, numbering.find_level("47", "2"))