sandbox: fix typo

Change-Id: Ib116c6fd5ba8d2ed05f0ff08af2f0556d6992b0c
Signed-off-by: Stephane Desneux <stephane.desneux@open.eurogiciel.org>
fix typo 2

Change-Id: I9e5d9bf55f7398fbd8852bb34ad179658273f07c
Signed-off-by: Stephane Desneux <stephane.desneux@open.eurogiciel.org>