Fix failing test

spec/api-native-image-spec.js

@@ -45,7 +45,7 @@ describe('nativeImage module', () => {
       assert.equal(nsimage.length, 8);
 
       // If all bytes are null, that's Bad
-      assert.equal(nsimage.reduce((acc,x) => acc || (x != 0)), true);
+      assert.equal(!!nsimage.reduce((acc,x) => acc || (x != 0)), true);
     });
   });
 });