PermissionStore doesn't reflect dynamic nature of jcr:all

@Test
    public void testJcrAllWithCustomPrivileges() throws Exception {
        Node testNode = session.getRootNode().addNode("test");
        String testPath = testNode.getPath();

        AccessControlUtils.grantAllToEveryone(session, testPath);
        session.save();

        JackrabbitAccessControlManager acMgr = (JackrabbitAccessControlManager) session.getAccessControlManager();
        Privilege[] allPrivileges = AccessControlUtils.privilegesFromNames(session, Privilege.JCR_ALL);
        Set<Principal> principalSet = ImmutableSet.<Principal>of(EveryonePrincipal.getInstance());

        assertTrue(acMgr.hasPrivileges(testPath, principalSet, allPrivileges));
        org.junit.Assert.assertArrayEquals(allPrivileges, acMgr.getPrivileges(testPath, principalSet));

        privilegeManager.registerPrivilege("customPriv", false, null);

        assertTrue(acMgr.hasPrivileges(testPath, principalSet, allPrivileges));
        org.junit.Assert.assertArrayEquals(allPrivileges, acMgr.getPrivileges(testPath, principalSet));
    }