Revert "delete apptest"

This reverts commit 4851e8de3455091b2b4ebd9caf2ec8dea85f47fb.
Revert "Revert "delete apptest""

This reverts commit 9bf98a3271fe027944abd5393b2bf4f66099cee5.
Revert "Revert "Revert "delete apptest"""

This reverts commit 128a30bc4f8a4ae8dd6d8bee51e85d936621b571.