Fix result parsing in cloudify_ims
Fix result parsing in cloudify_ims

The previous regex failed when errors are listed [1].

[1] https://build.opnfv.org/ci/view/functest/job/functest-apex-baremetal-daily-fraser/194/console

Change-Id: I57c8bfb8968555c3d43267a06f2bb9a2b95a3268
Signed-off-by: Cédric Ollivier <d48310251a4a484d041bc5d09a9ac4d86d20f793@orange.com>

opnfv/functest,opnfv/functest