diff --git a/mozilla/layout/html/tests/css/vertical-align.css b/mozilla/layout/html/tests/css/vertical-align.css
index 591cf4e42d6..dd133734e1e 100644
--- a/mozilla/layout/html/tests/css/vertical-align.css
+++ b/mozilla/layout/html/tests/css/vertical-align.css
@@ -23,3 +23,5 @@ GOOD { vertical-align: middle; }
 GOOD { vertical-align: text-bottom; }
 GOOD { vertical-align: bottom; }
 GOOD { vertical-align: 120%; }
+GOOD { vertical-align: 10mm; }
+GOOD { vertical-align: 1.5em; }