Introduce DisableScreenshots policy test

Port autotest test for DisableScreenshots policy. Check whether
screenshot can be taken by pressing hotkeys.

Introduce helper functions into ash packages:
  - CloseNotifications
  - WaitForNotification

BUG=chromium:1125556
TEST=in order to test new test itself, run:
     tast run localhost:9999 policy.DisableScreenshots
TEST=in order to test that CloseNotifications can close multiple
     notifications, do:
     1. rename DisableScreenshots to Screenshots
     2. run DownloadRestrictions before Screenshots, because
        DownloadRestrictions lefts 2 notifications in the tray, so we
	can try close them:
	tast run localhost:9999 policy.DownloadRestrictions \
	  policy.Screenshots

Change-Id: I20f0ed1c75974fa5ff0e6653075ae58bfade0292
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/tast-tests/+/2416285
Tested-by: Oleh Lamzin <lamzin@google.com>
Commit-Queue: Oleh Lamzin <lamzin@google.com>
Reviewed-by: Victor-Gabriel Savu <vsavu@google.com>
2 files changed
tree: c7d16e23db633cd24f4bd798bc0b3b1431841b07
  1. android/
  2. helpers/
  3. src/
  4. tools/
  5. vars/
  6. .gitignore
  7. LICENSE
  8. OWNERS
  9. PRESUBMIT.cfg
  10. PRESUBMIT.py
  11. README.md
README.md

Tast (tests)

This repository contains integration tests that are run by Tast.

Directory structure

  • helpers/ - Source code for binaries executed by tests.
    • local/ - Helpers for local tests that are compiled and installed to /usr/local/libexec/tast/helpers/local/cros by the tast-local-helpers-cros package.
  • src/chromiumos/tast/
    • local/ - Code related to local (i.e. on-device or “client”) tests.
      • bundles/ - Local test bundles.
        • cros/ - The “cros” local test bundle, containing standard Chrome OS tests. Tests are packaged by category.
      • ... - Packages used only by local tests.
    • remote/ - Code related to remote (i.e. off-device or “server”) tests.
      • bundles/ - Remote test bundles.
        • cros/ - The “cros” remote test bundle, containing standard Chrome OS tests. Tests are packaged by category.
      • ... - Packages used only by remote tests.

Shared code, the main tast executable, the local_test_runner and remote_test_runner executables responsible for running bundles, and documentation are located in the tast repository.

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