Acceptance test output:

% make testacc TESTARGS='-run=TestAccS3BucketDataSource_' PKG=s3 ACCTEST_PARALLELISM=2
==> Checking that code complies with gofmt requirements...
TF_ACC=1 go test ./internal/service/s3/... -v -count 1 -parallel 2  -run=TestAccS3BucketDataSource_ -timeout 360m
=== RUN   TestAccS3BucketDataSource_basic
=== PAUSE TestAccS3BucketDataSource_basic
=== RUN   TestAccS3BucketDataSource_website
=== PAUSE TestAccS3BucketDataSource_website
=== CONT  TestAccS3BucketDataSource_basic
=== CONT  TestAccS3BucketDataSource_website
--- PASS: TestAccS3BucketDataSource_basic (27.86s)
--- PASS: TestAccS3BucketDataSource_website (45.00s)
PASS
ok  	github.com/hashicorp/terraform-provider-aws/internal/service/s3	50.451s