private StructureDataType createPopulated2(DataTypeManager dtm) {
		StructureDataType struct = new StructureDataType(root, "struct1", 0, dtm);
		struct.add(new CharDataType(dataMgr), 1, "blah1", null);
		struct.add(new CharDataType(dataMgr), 1, "blah2", null);
		struct.add(new CharDataType(dataMgr), 1, "blah3", null);
		struct.add(new CharDataType(dataMgr), 1, "blah4", null);

		return struct;
	}
Tests for the {@link DataTypeConflictHandler conflict handler} stuff.
Ghidra/Features/Base/src/test.slow/java/ghidra/app/util/bin/format/dwarf/DWARFConflictHandlerTest.java