Special case - certain layer types do not currently support being saved (See ARE-3360). Because of this, whole suites of inherited tests cannot be run. For convenience, we override those test methods here without test attributes, which removes them from the set of runnable tests. Thankfully, all "un-saveable" layer types inherit from the base Layer_WithLossSets class - so we don't need to worry about duplicating anything. TODO: Remove this base class once ARE-3360 is complete. More...