@Test
	public void testGetCommentDifference1() throws Exception {
		// 0x1002040: p1 has Plate, Pre, EOL, Post, & Repeatable comment.
		programBuilder1.createComment("0x1002040", "My Plate Comment", CommentType.PLATE);
		programBuilder1.createComment("0x1002040", "My Pre Comment", CommentType.PRE);
		programBuilder1.createComment("0x1002040", "My EOL Comment", CommentType.EOL);
		programBuilder1.createComment("0x1002040", "My Post Comment", CommentType.POST);
		programBuilder1.createComment("0x1002040", "My Repeatable Comment", CommentType.REPEATABLE);

		checkCommentDifference(0x1002040);
	}
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