[javascript] Fix the syntax error preventing a test suite from running (

SeleniumHQ#8371)

Co-authored-by: David Burns <david.burns@theautomatedtester.co.uk>
Co-authored-by: Diego Molina <diemol@users.noreply.github.com>

javascript/node/selenium-webdriver/test/element_finding_test.js

@@ -411,7 +411,7 @@ suite(function(env) {
       });
     });
 
-    describe('RelativeBy to find element', async function() {
+    describe('RelativeBy to find element', function() {
       it('finds an element above', async function() {
         await driver.get(Pages.relativeLocators);
         let below = await driver.findElement(By.id("below"));