@Override
			public void modifyLatest(ProgramDB program) {
				// P1 program
				try {
					ReferenceManager refMgr = program.getReferenceManager();
					refMgr.addMemoryReference(addr(program, "0x01001e81"),
						addr(program, "0x01001ea0"), RefType.DATA, SourceType.USER_DEFINED, 0);
					refMgr.addMemoryReference(addr(program, "0x01001ea0"),
						addr(program, "0x01001eba"), RefType.DATA, SourceType.IMPORTED, 0);
				}
				catch (Exception e) {
					Assert.fail(e.getMessage());
				}
			}
Tests that adding different tags to the same function is recognized as a difference.

@throws Exception
Ghidra/Features/Base/src/test.slow/java/ghidra/program/util/ProgramDiff2Test.java