script: Fix the logic for mutation observer attributes.

servo · bors-servo · Jul 23, 2018 · Jul 23, 2018 · Jul 23, 2018 · Jul 23, 2018
commit 39e647de06b3d2c15f1fc99388a56972c7ae6883
diff --git a/components/script/dom/mutationobserver.rs b/components/script/dom/mutationobserver.rs
@@ -132,8 +132,8 @@ impl MutationObserver {
                             if *namespace != ns!() {
                                 continue;
                             }
-                            if registered.options.attribute_filter.iter()
-                                .find(|s| &**s == &**name).is_some() {
+                            if !registered.options.attribute_filter.iter()
+                                .any(|s| &**s == &**name) {
                                 continue;
                             }
                         }

diff --git a/tests/wpt/metadata/dom/nodes/MutationObserver-attributes.html.ini b/tests/wpt/metadata/dom/nodes/MutationObserver-attributes.html.ini