Fix Zend\Log tests for 5.5.0
Fix Zend\Log tests for 5.5.0

- Behavior change in PHP 5.5.0 means needing to change test case
  slightly. Basic assumptions are equivalent, fortunately.

3makkk/zend-log,Maks3w/zend-log,amcsi/zend-log,Maks3w/zend-log,Xerkus/zend-log,MadCat34/zend-log,zendframework/zend-log,amcsi/zend-log,nikolaposa/zend-log,MadCat34/zend-log,zendframework/zend-log,3makkk/zend-log,Xerkus/zend-log,nikolaposa/zend-log