diff --git a/selenium-webdriver/selenium-webdriver.d.ts b/selenium-webdriver/selenium-webdriver.d.ts
index 9ce5321de..a4d1017aa 100644
--- a/selenium-webdriver/selenium-webdriver.d.ts
+++ b/selenium-webdriver/selenium-webdriver.d.ts
@@ -3150,4 +3150,76 @@ declare module webdriver {
 
 declare module 'selenium-webdriver' {
     export = webdriver;
-}
\ No newline at end of file
+}
+
+declare module 'selenium-webdriver/testing' {
+
+    /**
+    * Registers a new test suite.
+    * @param name The suite name.
+    * @param fn The suite function, or {@code undefined} to define a pending test suite.
+    */
+    function describe(name: string, fn: Function): void;
+
+    /**
+     * Defines a suppressed test suite.
+     * @param name The suite name.
+     * @param fn The suite function, or {@code undefined} to define a pending test suite.
+     */
+    function xdescribe(name: string, fn: Function): void;
+
+    /**
+     * Register a function to call after the current suite finishes.
+     * @param fn
+     */
+    function after(fn: Function): void;
+
+    /**
+     * Register a function to call after each test in a suite.
+     * @param fn
+     */
+    function afterEach(fn: Function): void;
+
+    /**
+     * Register a function to call before the current suite starts.
+     * @param fn
+     */
+    function before(fn: Function): void;
+
+    /**
+     * Register a function to call before each test in a suite.
+     * @param fn
+     */
+    function beforeEach(fn: Function): void;
+
+    /**
+     * Add a test to the current suite.
+     * @param name The test name.
+     * @param fn The test function, or {@code undefined} to define a pending test case.
+     */
+    function it(name: string, fn: Function): void;
+
+    /**
+     * An alias for {@link #it()} that flags the test as the only one that should
+     * be run within the current suite.
+     * @param name The test name.
+     * @param fn The test function, or {@code undefined} to define a pending test case.
+     */
+    function iit(name: string, fn: Function): void;
+
+    /**
+     * Adds a test to the current suite while suppressing it so it is not run.
+     * @param name The test name.
+     * @param fn The test function, or {@code undefined} to define a pending test case.
+     */
+    function xit(name: string, fn: Function): void;
+}
+
+declare module 'selenium-webdriver/executors' {
+    /**
+     * Creates a command executor that uses WebDriver's JSON wire protocol.
+     * @param url The server's URL, or a promise that will resolve to that URL.
+     * @returns {!webdriver.CommandExecutor} The new command executor.
+     */
+    function createExecutor(url: any): webdriver.CommandExecutor;
+}