store3.setPredecessors(Lists.newArrayList("tiny_colors"));
expectedOps.addAll(Lists.newArrayList(store1, store2, store3));
// Add all expected P2jLOJoin objects
P2jLOJoin join1 = new P2jLOJoin();
join1.setAlias("tiny_colors");
join1.setPredecessors(Lists.newArrayList("tiny", "colors"));
join1.setSuccessors(Lists.newArrayList("file://" + System.getProperty("user.dir") + "/test_out_tiny_colors"));
P2jLOJoin join2 = new P2jLOJoin();
join2.setAlias("tiny_colors_join");
join2.setPredecessors(Lists.newArrayList("tiny", "colors", "colors2", "colors3"));
join2.setSuccessors(Lists.newArrayList("file://" + System.getProperty("user.dir") + "/test_out_join"));
expectedOps.addAll(Lists.newArrayList(join1, join2));
// Add all expected P2jLOFilter objects
P2jLOFilter filter1 = new P2jLOFilter();