@Test
public void testRegisterCustomToken() {
TraceTokenManager manager = new TraceTokenManager();
manager.registerRequestToken("abc");
assertEquals(manager.getCurrentRequestToken(), "abc");
}
@Test
public void testOverrideRequestToken() {
TraceTokenManager manager = new TraceTokenManager();
String oldToken = manager.createAndRegisterNewRequestToken();
assertEquals(manager.getCurrentRequestToken(), oldToken);
manager.registerRequestToken("abc");
assertEquals(manager.getCurrentRequestToken(), "abc");
}