Gate AbortController tests

We also test Node.js 14 which doesn't support AbortController

Author: eps1lon

src/__tests__/waitForNode.js

@@ -74,6 +74,9 @@ test('ensures the given callback is a function', () => {
   )
 })
 
+const testAbortController =
+  typeof AbortController === 'undefined' ? test.skip : test
+
 describe('using fake modern timers', () => {
   beforeEach(() => {
     jest.useFakeTimers('modern')
@@ -220,7 +223,7 @@ describe('using fake modern timers', () => {
     `)
   })
 
-  test('can be aborted with an AbortSignal', async () => {
+  testAbortController('can be aborted with an AbortSignal', async () => {
     const callback = jest.fn(() => {
       throw new Error('not done')
     })
@@ -238,7 +241,7 @@ describe('using fake modern timers', () => {
     expect(callback).toHaveBeenCalledTimes(2)
   })
 
-  test('does not even ping if the signal is already aborted', async () => {
+  testAbortController('does not even ping if the signal is already aborted', async () => {
     const callback = jest.fn(() => {
       throw new Error('not done')
     })