[Integration] Update testing submodule

[asfimport]

Updates submodule after ARROW-11666, and removes references to files that no longer exist (generated_large_batch)

Reporter: Neville Dipale / @nevi-me
Assignee: Neville Dipale / @nevi-me

PRs and other links:

• GitHub Pull Request #9587

_{Note: This issue was originally created as ARROW-11798. Please see the migration documentation for further details.}

[asfimport]

Antoine Pitrou / @pitrou:
Issue resolved by pull request 9587
#9587