protected DIECreator newStruct(String name, int size) {
		ensureCompUnit();
		DIECreator struct = new DIECreator(dwarfProg, DW_TAG_structure_type);
		if (name != null) {
			struct.addString(DW_AT_name, name);
		}
		struct.addInt(DW_AT_byte_size, size);
		return struct;
	}
Base class for unit tests needing DWARF DIEs.  Provides 2 DWARF compile-units and helper
methods to create DIE records.
Ghidra/Features/Base/src/test/java/ghidra/app/util/bin/format/dwarf/DWARFTestBase.java