public function testUnassignRoleFromUserGroup()
{
$roleService = $this->repository->getRoleService();
$anonymousRole = $roleService->loadRole(1);
$anonymousUserGroup = $this->repository->getUserService()->loadUserGroup(42);
$originalAssignmentCount = count($roleService->getRoleAssignmentsForUserGroup($anonymousUserGroup));
$roleService->unassignRoleFromUserGroup($anonymousRole, $anonymousUserGroup);
$newAssignmentCount = count($roleService->getRoleAssignmentsForUserGroup($anonymousUserGroup));
self::assertEquals($originalAssignmentCount - 1, $newAssignmentCount);
}