[local cache] Fix race condition in acceptance tests

[anton-107]

Changes

Why

Tests

[eng-dev-ecosystem-bot]

Run: 18156186796

	Env	✅​pass	🔄​flaky	🙈​skip
✅​	aws linux	311		531
✅​	aws windows	312		530
🔄​	aws-ucws linux	414	9	429
🔄​	aws-ucws windows	415	9	428
✅​	azure linux	311		530
✅​	azure windows	312		529
🔄​	azure-ucws linux	414	9	428
🔄​	azure-ucws windows	416	8	427
✅​	gcp linux	310		532
✅​	gcp windows	311		531

9 failing tests:

Test Name	aws-ucws linux	aws-ucws windows	azure-ucws linux	azure-ucws windows
TestAccept/bundle/deploy/dashboard/detect-change	🔄​flaky	🔄​flaky	🔄​flaky	🔄​flaky
TestAccept/bundle/deploy/dashboard/generate_inplace	🔄​flaky	🔄​flaky	🔄​flaky	🔄​flaky
TestAccept/bundle/deploy/dashboard/nested-folders	🔄​flaky	🔄​flaky	🔄​flaky	🔄​flaky
TestAccept/bundle/deploy/dashboard/simple	🔄​flaky	🔄​flaky	🔄​flaky	🔄​flaky
TestAccept/bundle/deploy/dashboard/simple_outside_bundle_root	🔄​flaky	🔄​flaky	🔄​flaky	🔄​flaky
TestAccept/bundle/deploy/dashboard/simple_syncroot	🔄​flaky	🔄​flaky	🔄​flaky	🔄​flaky
TestAccept/bundle/deployment/bind/dashboard	🔄​flaky	🔄​flaky	🔄​flaky	🔄​flaky
TestAccept/bundle/deployment/bind/dashboard/recreation	🔄​flaky	🔄​flaky	🔄​flaky	✅​pass
TestDashboardAssumptions_WorkspaceImport	🔄​flaky	🔄​flaky	🔄​flaky	🔄​flaky