diff --git a/test/unit/app/managers/test_TagHandler.py b/test/unit/app/managers/test_TagHandler.py
index f249e4dfa63..7f0e3ad21ce 100644
--- a/test/unit/app/managers/test_TagHandler.py
+++ b/test/unit/app/managers/test_TagHandler.py
@@ -114,12 +114,13 @@ class TestTagHandler(BaseTestCase):
         assert not self.tag_handler.item_has_tag(self.user, item=hda, tag="tag2")
 
     def test_get_name_value_pair(self):
-        """Test different combinations of tag and name/value delimiters via parse_tags()."""
+        """Verify that parsing a single tag string correctly splits it into name/value pairs."""
         assert self.tag_handler.parse_tags("a") == [("a", None)]
         assert self.tag_handler.parse_tags("a.b") == [("a.b", None)]
         assert self.tag_handler.parse_tags("a.b:c") == [("a.b", "c")]
         assert self.tag_handler.parse_tags("a.b:c.d") == [("a.b", "c.d")]
         assert self.tag_handler.parse_tags("a.b:c.d:e.f") == [("a.b", "c.d:e.f")]
         assert self.tag_handler.parse_tags("a.b:c.d:e.f.") == [("a.b", "c.d:e.f.")]
+        assert self.tag_handler.parse_tags("a.b:c.d:e.f..") == [("a.b", "c.d:e.f..")]
         assert self.tag_handler.parse_tags("a.b:c.d:e.f:") == [("a.b", "c.d:e.f:")]
-        assert self.tag_handler.parse_tags("a.b:c.d:e.f:::") == [("a.b", "c.d:e.f:::")]
+        assert self.tag_handler.parse_tags("a.b:c.d:e.f::") == [("a.b", "c.d:e.f::")]