Simplify tests

Author: jdee

test/BranchSubscriber.test.js

@@ -2,15 +2,13 @@ import { BranchSubscriber } from 'react-native-branch'
 
 test('BranchSubscriber default initializes with no options', () => {
   const subscriber = new BranchSubscriber(null)
-  expect(typeof subscriber.options).toBe('object')
+  expect(subscriber.options).toEqual({})
 })
 
 test('BranchSubscriber stores options passed to the constructor', () => {
   const subscriber = new BranchSubscriber({
     checkCachedEvents: false
   })
 
-  expect(typeof subscriber.options).toBe('object')
-  expect('checkCachedEvents' in subscriber.options).toBe(true)
-  expect(subscriber.options.checkCachedEvents).toBe(false)
+  expect(subscriber.options).toEqual({ checkCachedEvents: false })
 })