test(utils): add helper function for wrapper update

tests/utils.ts

@@ -1,7 +1,17 @@
+import { act } from 'react-dom/test-utils'
+import { ReactWrapper } from 'enzyme'
+
 export const sleep = (time: number) => {
   return new Promise(resolve => setTimeout(resolve, time))
 }
 
+export const updateWrapper = async (wrapper: ReactWrapper, time: number = 0) => {
+  await act(async () => {
+    await sleep(time)
+    wrapper.update()
+  })
+}
+
 export const mockNativeEvent = (fn: Function = () => {}) => ({
   nativeEvent: { stopImmediatePropagation: fn }
 })