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test: unflake "should not result in unhandled rejection" (#4602)

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Dmitry Gozman 2020-12-04 14:48:20 -08:00 committed by GitHub
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commit aed3d14b81
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7
test/page-expose-function.spec.ts
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@ -224,10 +224,15 @@ it('exposeBindingHandle should throw for multiple arguments', async ({page}) =>
});
it('should not result in unhandled rejection', async ({page}) => {
const closedPromise = page.waitForEvent('close');
await page.exposeFunction('foo', async () => {
await page.close();
});
await page.evaluate(() => {
(window as any).foo();
setTimeout(() => (window as any).foo(), 0);
return undefined;
});
await closedPromise;
// Make a round-trip to be sure we did not throw immediately after closing.
expect(await page.evaluate('1 + 1').catch(e => e)).toBeInstanceOf(Error);
});