Settings settings = ClassCopier.copy(defaultSettings);
settings.setNumOfNodes(2);
variousTestSettings.put("2 nodes - self communication", settings);
settings = ClassCopier.copy(defaultSettings);
settings.setParticleSolver(new Euler());
variousTestSettings.put("Euler", settings);
settings = ClassCopier.copy(defaultSettings);
settings.setNumOfThreads(5);
settings.setParticleSolver(new Euler());
variousTestSettings.put("Threaded version", settings);
// Fails probably because Boris remembers a lot of information about the force
// in the particle. This information remembering probably causes problem when particles
// are transferred from one node to the other.