"[[ ]]" is a bash specific command that doesn't work in
dash which is Ubuntu's default shell.
Change-Id: Idd09c2e1e8c409503b12756141632527ab91b5ec
Signed-off-by: Bartek Grzybowski <b.grzybowski@partner.samsung.com>
Issue-ID: OOM-1671
     partition_path: "{{ volume_path }}-part1"
 - name: "Wait for volume"
   #We do not do it normally, because we want to trigger udev (workaround for some bugs).
-  shell: "udevadm trigger && udevadm settle && [[ -b {{ volume_path }} ]]"
+  shell: "udevadm trigger && udevadm settle && [ -b {{ volume_path }} ]"
   register: result
   retries: 30
   delay: 10