Fix typo in isJavascriptEnabled

Author: Reénse

lib/Remote/DesiredCapabilities.php

@@ -145,7 +145,7 @@ public function setJavascriptEnabled($enabled)
         $browser = $this->getBrowserName();
         if ($browser && $browser !== WebDriverBrowserType::HTMLUNIT) {
             throw new Exception(
-                'isJavascriptEnable() is a htmlunit-only option. ' .
+                'isJavascriptEnabled() is a htmlunit-only option. ' .
                 'See https://github.com/SeleniumHQ/selenium/wiki/DesiredCapabilities#read-write-capabilities.'
             );
         }

tests/unit/Remote/DesiredCapabilitiesTest.php

@@ -63,7 +63,7 @@ public function testShouldProvideAccessToCapabilitiesUsingSettersAndGetters()
 
     /**
      * @expectedException \Exception
-     * @expectedExceptionMessage isJavascriptEnable() is a htmlunit-only option
+     * @expectedExceptionMessage isJavascriptEnabled() is a htmlunit-only option
      */
     public function testShouldNotAllowToDisableJavascriptForNonHtmlUnitBrowser()
     {