diff --git a/test/spec/ol/style/style.test.js b/test/spec/ol/style/style.test.js
index 5733002e1b..210c0bb577 100644
--- a/test/spec/ol/style/style.test.js
+++ b/test/spec/ol/style/style.test.js
@@ -68,9 +68,7 @@ describe('ol.style.Style', function () {
       expect(original.getImage().getRadius()).to.eql(
         clone.getImage().getRadius()
       );
-      expect(original.getRenderer().toString()).to.eql(
-        clone.getRenderer().toString()
-      );
+      expect(original.getRenderer()).to.eql(clone.getRenderer());
       expect(original.getStroke().getColor()).to.eql(
         clone.getStroke().getColor()
       );
@@ -102,7 +100,6 @@ describe('ol.style.Style', function () {
       expect(original.getGeometry()).not.to.be(clone.getGeometry());
       expect(original.getFill()).not.to.be(clone.getFill());
       expect(original.getImage()).not.to.be(clone.getImage());
-      expect(original.getRenderer()).not.to.be(clone.getRenderer());
       expect(original.getStroke()).not.to.be(clone.getStroke());
       expect(original.getText()).not.to.be(clone.getText());
 
@@ -123,9 +120,7 @@ describe('ol.style.Style', function () {
       expect(original.getImage().getScale()).not.to.eql(
         clone.getImage().getScale()
       );
-      expect(original.getRenderer().toString()).not.to.eql(
-        clone.getRenderer().toString()
-      );
+      expect(original.getRenderer()).not.to.eql(clone.getRenderer());
       expect(original.getStroke().getColor()).not.to.eql(
         clone.getStroke().getColor()
       );