@Override
			public void modifyLatest(ProgramDB program) {
				DataTypeManager dtm = program.getDataTypeManager();
				Structure s = (Structure) dtm.getDataType(CategoryPath.ROOT, "DLL_Table");
				dtm.remove(s);
				DataType dt =
					dtm.getDataType(new CategoryPath("/Category1/Category2"), "CoolUnion");
				dtm.remove(dt);
			}
Current Result for /Category5/Test

				Unaligned
				Structure Test {
				   4   int:2(6)   1   bf1   ""
				   4   int:2(4)   1   bf2   ""
				   5   word   2   null   ""
				   7   qword   8   null   ""
				}
				Size = 15   Actual Alignment = 1
	
See assertion below for preferred result
Ghidra/Features/Base/src/test.slow/java/ghidra/app/merge/datatypes/DataTypeMerge3Test.java