private void recordChanges() {
		// ...keep track of the changes we've made
		latestChangeSet = latestProgram.getChanges();
		privateChangeSet = privateProgram.getChanges();
	}
The non-preferred way of configuring tests for merge testing, which is to use real
programs that are files on disk.  You should try to use the
{@link InMemoryProgramMTFModel} by using 
{@link MergeTestFacilitator#initialize(String, MergeProgramModifier)} when writing
merge tests.
Ghidra/Features/Base/src/test/java/ghidra/program/database/RealProgramMTFModel.java