CAMEL-15769: add camel-jsonpath tests for new 'false' tokenizer

[srcarrier]

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This PR addresses a request in CAMEL-15769 to add test cases within camel-jsonpath for the new 'false' split delimiter.
https://issues.apache.org/jira/browse/CAMEL-15769?focusedCommentId=17230827&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-17230827

I appended test cases to an existing test file, but I'd be happy to break them out into a separate test file if that's preferred.
Thanks

[oscerd]

Looks good. Thanks.