@Override
	public AbstractMsType getTypeRecord(RecordNumber recordNumber) {
		return getTypeRecord(recordNumber, AbstractMsType.class);
	}
IMPORTANT: This method is for testing only.  It allows us to add a "item" record that gets
 its record number automatically assigned
@param type "item" AbstractMsType to be inserted
@return record number assigned
Ghidra/Features/PDB/src/test/java/ghidra/app/util/bin/format/pdb2/pdbreader/DummyPdb700.java