diff --git a/test/unit/path-effects-elements.js b/test/unit/path-effects-elements.js
index 7c153e4e75..c68de108b2 100644
--- a/test/unit/path-effects-elements.js
+++ b/test/unit/path-effects-elements.js
@@ -346,9 +346,7 @@ Polymer({
   ],
 
   created() {
-    this.propChanged = sinon.spy(function() {
-      this.debug = true;
-    });
+    this.propChanged = sinon.spy();
   },
   
   computeProp(trigger, value) {
@@ -382,16 +380,14 @@ Polymer({
   ],
 
   created() {
-    this.arrayChanged = sinon.spy(function() {
-      this.debug = true;
-    });
+    this.arrayChanged = sinon.spy();
   },
 
   changeArray() {
     if (this.array.length === 0) {
       this.push('array', 'one');
     } else if (this.array.length === 1) {
-      this.push('array', 'two')
+      this.push('array', 'two');
     }
   }
   
diff --git a/test/unit/path-effects.html b/test/unit/path-effects.html
index 57ae116f80..93b8401898 100644
--- a/test/unit/path-effects.html
+++ b/test/unit/path-effects.html
@@ -360,7 +360,7 @@
       let c = {}, b = {c}, a = {b};
       el.a = a;
       el.resetObservers();
-      c = {},
+      c = {};
       b = {c};
       el.set('a.b', b);
       assert.equal(el.aChanged.callCount, 1);
@@ -377,7 +377,7 @@
       let c = {}, b = {c}, a = {b};
       el.a = a;
       el.resetObservers();
-      c = {},
+      c = {};
       el.set('a.b.c', c);
       assert.equal(el.aChanged.callCount, 1);
       assert.deepEqual(el.aChanged.firstCall.args[0], {path: 'a.b.c', base: a, value: c});