Update framework pres

Update framework pres

It takes into account the next framework modifications:
  - Switch TestCase attribute criteria to result [1]
  - Manage criteria in TestCase [2]
  - Print the real testcase duration [3]
  - Rename TestCase check_result() to is_successful() [4]

[1] https://gerrit.opnfv.org/gerrit/#/c/33695/
[2] https://gerrit.opnfv.org/gerrit/#/c/33697/
[3] https://gerrit.opnfv.org/gerrit/#/c/34369/
[4] https://gerrit.opnfv.org/gerrit/#/c/34373/

Change-Id: I3a6790e4233ef4c55b0535618dacf702f779f28b
Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>