diff --git a/tests/unit/style/size_of.rs b/tests/unit/style/size_of.rs
index ed435345a28..7306cf059ef 100644
--- a/tests/unit/style/size_of.rs
+++ b/tests/unit/style/size_of.rs
@@ -6,7 +6,7 @@ use selectors::parser::{SelectorParseError, SelectorParseErrorKind};
 use style::invalidation::element::invalidation_map::Dependency;
 use style::properties;
 
-size_of_test!(test_size_of_dependency, Dependency, 16);
+size_of_test!(test_size_of_dependency, Dependency, 24);
 
 size_of_test!(
     test_size_of_property_declaration,
diff --git a/tests/unit/style/stylist.rs b/tests/unit/style/stylist.rs
index 0d7511f0583..8836436c8be 100644
--- a/tests/unit/style/stylist.rs
+++ b/tests/unit/style/stylist.rs
@@ -201,13 +201,13 @@ fn test_insert() {
         0,
         selector_map
             .class_hash
-            .get(&Atom::from("foo"), QuirksMode::NoQuirks)
+            .get(&Atom::from("intro"), QuirksMode::NoQuirks)
             .unwrap()[0]
             .source_order
     );
     assert!(selector_map
         .class_hash
-        .get(&Atom::from("intro"), QuirksMode::NoQuirks)
+        .get(&Atom::from("foo"), QuirksMode::NoQuirks)
         .is_none());
 }