fix (test): use 0 for sinon fake timers arg

Author: solkimicreb

__tests__/Clock.test.js

@@ -5,7 +5,7 @@ import sinon from 'sinon'
 import App from '../examples/clock/App'
 
 describe('Clock App', () => {
-  const clock = sinon.useFakeTimers()
+  const clock = sinon.useFakeTimers(0)
   const app = mount(<App />)
   const clearIntervalSpy = sinon.spy(global, 'clearInterval')