@Override
			public void modifyPrivate(ProgramDB program) {
				DataTypeManager dtm = program.getDataTypeManager();
				Category c = dtm.getCategory(new CategoryPath("/Category1/Category2"));
				c.removeCategory("Category4", TaskMonitor.DUMMY);
			}
Tests for the merge data type manager.
Ghidra/Features/Base/src/test.slow/java/ghidra/app/merge/datatypes/CategoryMerge2Test.java