diff --git a/test/__mocks__/audio-effects.js b/test/__mocks__/audio-effects.js
index 291438f85fae419280e77e0c5b7dc79cba08b57c..b8a4c6994b8e86f7859730464072b3eb09040bce 100644
--- a/test/__mocks__/audio-effects.js
+++ b/test/__mocks__/audio-effects.js
@@ -13,8 +13,8 @@ export default class MockAudioEffects {
     constructor (buffer, name) {
         this.buffer = buffer;
         this.name = name;
-        this.process = jest.fn((done) => {
-            this._finishProcessing = (renderedBuffer) => done({renderedBuffer});
+        this.process = jest.fn(done => {
+            this._finishProcessing = renderedBuffer => done({renderedBuffer});
         });
         MockAudioEffects.instance = this;
     }
diff --git a/test/unit/containers/sound-editor.test.jsx b/test/unit/containers/sound-editor.test.jsx
index 187908176cb87db2573b71cb0c5e0b7111685976..325488a250249f9a426926fb56ab367b519b4cae 100644
--- a/test/unit/containers/sound-editor.test.jsx
+++ b/test/unit/containers/sound-editor.test.jsx
@@ -111,7 +111,7 @@ describe('Sound Editor Container', () => {
         expect(vm.renameSound).toHaveBeenCalledWith(soundIndex, 'hello');
     });
 
-    test('it handles an effect by submitting the result and playing', done => {
+    test('it handles an effect by submitting the result and playing', () => {
         const wrapper = mountWithIntl(
             <SoundEditor
                 soundIndex={soundIndex}