chore(s3): migrate tests to jest

[Chriscbr]

One test was modified because the last argument didn't type check against the nodeunit-shim - here:

aws-cdk/packages/@aws-cdk/aws-s3/test/test.bucket.ts

Lines 128 to 132 in 2640d9a

	test.throws(() => new s3.Bucket(stack, 'MyBucket', {
	bucketName: bucket,
	}), function(err: Error) {
	return expectedErrors === err.message;
	});

changed to:

test.throws(() => new s3.Bucket(stack, 'MyBucket', {
  bucketName: bucket,
}), expectedErrors);

---

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache-2.0 license

[gitpod-io]

[iliapolo]

Sweet, thanks @Chriscbr

[mergify]

Thank you for contributing! Your pull request will be updated from master and then merged automatically (do not update manually, and be sure to allow changes to be pushed to your fork).

[mergify]

Thank you for contributing! Your pull request will be updated from master and then merged automatically (do not update manually, and be sure to allow changes to be pushed to your fork).

[aws-cdk-automation]

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• Commit ID: 9e04c9d
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