test/support: No errors when deleting missing doc
test/support: No errors when deleting missing doc

  When cleaning up after a test, the Cozy helper `deleteAll()` hook
  should not error out if we fail to delete a document because it's
  actually missing from the Cozy.

cozy-labs/cozy-desktop,cozy-labs/cozy-desktop,cozy-labs/cozy-desktop,cozy-labs/cozy-desktop