private StructureDataType createStub(DataTypeManager dtm, int size) {
		return new StructureDataType(root, "struct1", size, dtm);
	}
Tests for the {@link DataTypeConflictHandler conflict handler} stuff.
Ghidra/Features/Base/src/test.slow/java/ghidra/app/util/bin/format/dwarf/DWARFConflictHandlerTest.java