Got stuck on AbstractFlowTests ...

[Tom Zeller]

>> I wonder, maybe it's not practical, but could we actually somehow add the
>> various directories we need to load resources from into the classpath for
>> the tests so that the "standard" classpath behavior actually works?
>
> Oh, I can probably add a classpath resource metadata-provider to src/test/resources, that should work.

Looks like idp.home can be "classpath:" along with a
ResourceBackedMetadataProvider configured with a ClassPathResource.
I'll move forward and will look at the ContextLoader stuff later.