public void testAddAll() throws Exception {
        final String[] array = new String[] { "111" };
        final String[] newArray = ArrayUtil.add(array, "222");
        assertThat(newArray.length, is(2));
        assertThat(newArray[0], is("111"));
        assertThat(newArray[1], is("222"));

        final String[] emptyArray = new String[0];
        assertThat(ArrayUtil.addAll((Object[]) null, (Object[]) null), is(nullValue()));

        assertEquals("222" + viewHelper.highlightTagPre + "aaa" + viewHelper.highlightTagPost, viewHelper.escapeHighlight(text));

        text = "111\n222" + viewHelper.originalHighlightTagPre + "aaa" + viewHelper.originalHighlightTagPost;
        assertEquals("222" + viewHelper.highlightTagPre + "aaa" + viewHelper.highlightTagPost, viewHelper.escapeHighlight(text));

        assertEquals("action:AAA BBB\tuser:testuser\t111:222", localLogMsg.get());

        activityHelper.print("ccc", createUser("testuser", new String[] { "111", "222" }), Map.of("111", "222", "333", "444"));
        assertEquals("action:CCC\tuser:testuser\t111:222\t333:444", localLogMsg.get());
    }

    public void test_login_ecs() {