Upgrades to the lowest/locked/latest strategy, which is an evolution of the previous strategy used to test against different zend-servicemanager versions, and should allow us to test agains the latest zend-servicemanager releases without further failures.
This also updates PHPUnit to allow the v6 series, which required updating all test cases to use the namespaced version of the PHPUnit TestCase class.
Upgrades to the lowest/locked/latest strategy, which is an evolution of the previous strategy used to test against different zend-servicemanager versions, and should allow us to test agains the latest zend-servicemanager releases without further failures.
This also updates PHPUnit to allow the v6 series, which required updating all test cases to use the namespaced version of the PHPUnit
TestCaseclass.