### Question:
OpenIDConnectClientBuilder { public OpenIDConnectClientBuilder setTokenUrl(String tokenUrl) { URLUtil.validateUrlParameter("AuthorizeUrl", tokenUrl); this.tokenUrl = tokenUrl; return this; }  static OpenIDConnectClientBuilder create(); OpenIDConnectClient build(); OpenIDConnectClientBuilder setAuthorizeUrl(String authorizeUrl); OpenIDConnectClientBuilder setTokenUrl(String tokenUrl); OpenIDConnectClientBuilder setClientId(String clientId); OpenIDConnectClientBuilder setClientSecret(String clientSecret); void setLoginFormAdapter(LoginFormAdapter loginFormAdapter);  }### Answer:
@Test public void testNotValidTokenUrl() { thrown.expect(IllegalArgumentException.class); builder.setTokenUrl("something here"); }
@Test public void testValidTokenUrl() { builder.setTokenUrl("https: }