Add some isolation term tests to SixteenTermTest
Add some isolation term tests to SixteenTermTest

Make LMR16Test inherit from SixteenTermTest

Ttl/scikit-rf,jhillairet/scikit-rf,Ttl/scikit-rf,Ttl/scikit-rf,jhillairet/scikit-rf,jhillairet/scikit-rf,scikit-rf/scikit-rf,scikit-rf/scikit-rf,Ttl/scikit-rf,temmeand/scikit-rf,temmeand/scikit-rf,temmeand/scikit-rf