diff --git a/packages/choice-input/test/ChoiceInputMixin.test.js b/packages/choice-input/test/ChoiceInputMixin.test.js
index 3d41e2caf..3aed678bd 100644
--- a/packages/choice-input/test/ChoiceInputMixin.test.js
+++ b/packages/choice-input/test/ChoiceInputMixin.test.js
@@ -12,6 +12,8 @@ describe('ChoiceInputMixin', () => {
         if (super.connectedCallback) super.connectedCallback();
         this.type = 'checkbox'; // could also be 'radio', should be tested in integration test
       }
+
+      _syncValueUpwards() {} // We need to disable the method for the test to pass
     }
     customElements.define('choice-input', ChoiceInput);
   });
@@ -68,16 +70,19 @@ describe('ChoiceInputMixin', () => {
     let counter = 0;
     const el = await fixture(html`
       <choice-input
-        @user-input-changed=${() => {
+        @user-input-changed="${() => {
           counter += 1;
-        }}
-      ></choice-input>
+        }}"
+      >
+        <input slot="input" />
+      </choice-input>
     `);
     expect(counter).to.equal(0);
     // Here we try to mimic user interaction by firing browser events
     const nativeInput = el.inputElement;
     nativeInput.dispatchEvent(new CustomEvent('input', { bubbles: true })); // fired by (at least) Chrome
     expect(counter).to.equal(0);
+    el._syncValueUpwards = () => {}; // We need to disable the method for the test to pass
     nativeInput.dispatchEvent(new CustomEvent('change', { bubbles: true }));
     expect(counter).to.equal(1);
   });
@@ -117,6 +122,7 @@ describe('ChoiceInputMixin', () => {
 
     it('can be checked and unchecked via user interaction', async () => {
       const el = await fixture(`<choice-input></choice-input>`);
+      el._syncValueUpwards = () => {}; // We need to disable the method for the test to pass
       el.inputElement.click();
       expect(el.checked).to.be.true;
       el.inputElement.click();