// settings = ClassCopier.copy(defaultSettings);
// settings.addForce(new SpringForce());
// variousTestSettings.put("SpringForce", settings);
settings = ClassCopier.copy(defaultSettings);
ConstantForce constantForce = new ConstantForce();
constantForce.bz = -1;
settings.addForce(constantForce);
variousTestSettings.put("MagneticForce", settings);
return variousTestSettings;