Support no hostname

src/main/java/org/jvnet/hudson/test/RealJenkinsRule.java

@@ -755,6 +755,18 @@ public URL getUrl() throws MalformedURLException {
         return new URL(https ? "https" : "http", host, port, "/jenkins/");
     }
 
+    /**
+     * Sets up HTTPS for the current instance, and disables plain HTTP.
+     * This generates a self-signed certificate for localhost. The corresponding root CA that needs to be trusted by HTTP client can be obtained using {@link #getRootCA()}.
+     *
+     * @return the current instance
+     * @see #createWebClient()
+     */
+    public RealJenkinsRule https() {
+        return https("localhost");
+    }
+
+
     /**
      * Sets up HTTPS for the current instance, and disables plain HTTP.
      * This generates a self-signed certificate for the given host name. The corresponding root CA that needs to be trusted by HTTP client can be obtained using {@link #getRootCA()}.