### Question:
OverrideSources { public static UrlOverrideSource.Builder url(URL url) { return UrlOverrideSource.builder().url(url); } private  OverrideSources(); static OverrideSource empty(); static OverrideSource create(Map<String, String> overrideValues); static ClasspathOverrideSource.Builder classpath(String resourceName); static FileOverrideSource.Builder file(String file); static UrlOverrideSource.Builder url(URL url);  }### Answer:
@Test public void testUrlBuilder() throws MalformedURLException { UrlOverrideSource.Builder builder = OverrideSources.url(new URL("http: assertThat(builder.build(), instanceOf(UrlOverrideSource.class)); }