Are all test steps defined in SoapUi carried over to LoadUI?

And yet another update (or more of an FYI) with that segment of code, you've essentially got two test steps a dataSource and a groovy script. The Groovy script simulates the role of passing username/password into a properties file, as well as using these values in the next step and repeating.

It probably requires a bit more refining, but it gives the bare bones of a nice little script