allowing(bundleContext).getProperty("sling.home");
will(slingHome);
// mock no data file support with file names starting with sl
allowing(bundleContext).getDataFile(
with(new StringStartsWith("sl")));
will(returnValue(null));
// mock data file support for any other name
allowing(bundleContext).getDataFile(with(any(String.class)));
will(new RVA(root));