assertExists(reg1, "ep1uri");
assertExists(reg2, "ep1uri");
assertExists(reg3, "ep1uri");
RuntimeEndpoint ep2 = createEndpoint("ep2uri");
ep2.bind(extensionPoints, reg2);
reg2.addEndpoint(ep2);
assertExists(reg2, "ep2uri");
assertExists(reg1, "ep2uri");
assertExists(reg3, "ep2uri");