If your WSDL is publicly visible on the web, you might be able to use www.xmethods.net to test correct usages. It worked for me once upon a time. I don't know their terms of service, but they have many examples they offer to test for you.
Sometimes SOAP::Lite is more cumbersome than template toolkit or a simple here doc. The key is to find out what a good packet looks like to the server. Then you can template it.
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Posts may use any of the Perl Monks Approved HTML tags. Currently these include the following:
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tags should generally be avoided. If they must
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Want more info? How to link
or How to display code and escape characters
are good places to start.