Début de correction des tests unitaires pour phpunit v7.

tests/UnicaenAuthTest/Acl/NamedRoleTest.php

...enAuthTest/Authentication/Adapter/AbstractFactoryTest.php

tests/UnicaenAuthTest/Authentication/Adapter/CasTest.php

tests/UnicaenAuthTest/Authentication/Adapter/DbTest.php

tests/UnicaenAuthTest/Authentication/Adapter/LdapTest.php

...UnicaenAuthTest/Authentication/Storage/ChainEventTest.php

...thTest/Authentication/Storage/ChainServiceFactoryTest.php

tests/UnicaenAuthTest/Authentication/Storage/ChainTest.php

tests/UnicaenAuthTest/Authentication/Storage/DbTest.php

tests/UnicaenAuthTest/Authentication/Storage/LdapTest.php

tests/UnicaenAuthTest/Entity/Db/RoleTest.php

tests/UnicaenAuthTest/Entity/Db/UserTest.php

tests/UnicaenAuthTest/Entity/Ldap/PeopleTest.php

tests/UnicaenAuthTest/Options/ModuleOptionsTest.php

...caenAuthTest/Provider/Identity/BaseServiceFactoryTest.php

tests/UnicaenAuthTest/Provider/Identity/BaseTest.php

...aenAuthTest/Provider/Identity/ChainServiceFactoryTest.php

tests/UnicaenAuthTest/Provider/Identity/ChainTest.php

.../UnicaenAuthTest/Provider/Role/BaseServiceFactoryTest.php

tests/UnicaenAuthTest/Provider/Role/ConfigTest.php