@Test
	public void testGetCommentDifference16() throws Exception {
		// 0x100239d: Different Plate comments.
		programBuilder1.createComment("0x100239d", "Once upon a time,", CommentType.PLATE);
		programBuilder2.createComment("0x100239d", "This is a sample comment.", CommentType.PLATE);

		checkCommentDifference(0x100239d);
	}
Test that ProgramDiff can determine the code unit differences between
Program1 and Program2 where Data Settings differ.
Ghidra/Features/Base/src/test.slow/java/ghidra/program/util/ProgramDiff1Test.java