DAS testing: Remove analyzeTestPackageFiles from AbstractContextTest

Work towards https://github.com/dart-lang/sdk/issues/61785

This was unneeded everywhere except move_file_test, so it goes in there.

Change-Id: I5a2f1579720e7f5896a26e3be6bbbd35657e191d
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/542160
Commit-Queue: Samuel Rawlins <srawlins@google.com>
Reviewed-by: Brian Wilkerson <brianwilkerson@google.com>

Sam Rawlins committed 10d ago

093c511375d293819adb4740adf34371336f20a0

Parent: fce7782

Committed by dart-scoped@luci-project-accounts.iam.gserviceaccount.com <dart-scoped@luci-project-accounts.iam.gserviceaccount.com> on 8/27/2026, 6:27:34 PM