### Question:
ResoClientBuilder { public ResoClientBuilder setBaseRequestUrl(String requestUrl) { URLUtil.validateUrlParameter("BaseRequestUrl", requestUrl); this.baseRequestUrl = requestUrl; return this; } ResoClientBuilder(); static ResoClientBuilder create(); ResoClient build(); ResoClientBuilder setBaseRequestUrl(String requestUrl); ResoClientBuilder setTokenStore(TokenStore store);  }### Answer:
@Test public void testNullBaseRequestUrl() { thrown.expect(IllegalArgumentException.class); builder.setBaseRequestUrl("something here"); }
@Test public void testIncorrectBaseRequestUrl() { thrown.expect(IllegalArgumentException.class); builder.setBaseRequestUrl("something here"); }
@Test public void testCorrectBaseRequestUrl() { builder.setBaseRequestUrl("http: }