Skip datafusion tests for internal errors

[slevenick]

See hashicorp/terraform-provider-google#20574 these all fail fairly often due to internal errors
Release Note Template for Downstream PRs (will be copied)

See Write release notes for guidance.

[modular-magician]

Hi there, I'm the Modular magician. I've detected the following information about your changes:

Diff report

Your PR generated some diffs in downstreams - here they are.

google provider: Diff ( 2 files changed, 8 insertions(+))
google-beta provider: Diff ( 2 files changed, 8 insertions(+))

[modular-magician]

Tests analytics

Total tests: 13
Passed tests: 5
Skipped tests: 8
Affected tests: 0

Click here to see the affected service packages

• datafusion

🟢 All tests passed!

View the build log

[github-actions]

@trodge This PR has been waiting for review for 3 weekdays. Please take a look! Use the label disable-review-reminders to disable these notifications.