@Test(invocationCount = 10)
public void createFromTree() {

	final TreeNode<Op<Double>> tree = Program.of(
		6,
		OPERATIONS,
		TERMINALS
	);
	final ProgramChromosome<Double> chromosome = ProgramChromosome
		.of(tree, OPERATIONS, TERMINALS);
	Assert.assertTrue(Tree.equals(tree, chromosome.root()));
}