final DefaultFactHandle f0 = new DefaultFactHandle(0, "string0");
final LeftTupleImpl tuple1 = new LeftTupleImpl(f0, this.node, true);
joinNode.assertLeftTuple(tuple1, this.context, workingMemory);
final String string1 = "string1";
final DefaultFactHandle string1Handle = new DefaultFactHandle(1, string1);
ModifyPreviousTuples modifyPreviousTuples = new ModifyPreviousTuples(null, null, new EntryPointNode() );