Add conformance class configuration into the ets-wcs-rsub10 test

[keshavnangare]

The test needs to be updated to better provide information about the grouping of the conformance class and determination about which ones are the basic conformance classes needed for certification.

Changes that are required are described here:

https://github.com/opengeospatial/cite/wiki/Encoding-Conformance-Classes