added unit test for dvlppmnt

Signed-off-by: Ladislas de Toldi <ladislas@leka-smarttoys.com>
modified to take account of the recent modifications

Signed-off-by: Ladislas de Toldi <ladislas@leka-smarttoys.com>
same

Signed-off-by: Ladislas de Toldi <ladislas@leka-smarttoys.com>