private void handleSourceArchiveConflict(long sourceID, int conflictIndex)
			throws CancelledException {

		if (sourceArchiveChoice == ASK_USER && conflictOption == ASK_USER && mergeManager != null) {
			// block until user resolves the conflict
			showArchiveMergePanel(sourceID, conflictIndex);
			if (conflictOption == CANCELED) {
				throw new CancelledException();
			}
		}
		updateSourceArchive(sourceID);
		resetOption();
	}
For JUnit testing only, set the option for resolving a conflict.
@param option forced conflict resolution option
Ghidra/Features/Base/src/main/java/ghidra/app/merge/datatypes/DataTypeMergeManager.java