CLDR-14409 make webdriver URL configurable

Author: srl295

src/test/java/org/unicode/cldr/surveydriver/SurveyDriver.java

@@ -84,7 +84,7 @@ public class SurveyDriver {
      * RemoteWebDriver and requires installation, see above comment about selenium-grid-start.sh
      */
     static final boolean USE_REMOTE_WEBDRIVER = true;
-    static final String REMOTE_WEBDRIVER_URL = "http://localhost:4444";
+    static final String REMOTE_WEBDRIVER_URL = SurveyDriverCredentials.getWebdriverUrl();
 
     public WebDriver driver;
     public WebDriverWait wait;

src/test/java/org/unicode/cldr/surveydriver/SurveyDriverCredentials.java

@@ -22,6 +22,8 @@ public class SurveyDriverCredentials {
 
     private static final String PROPS_PASSWORD_KEY = "WEBDRIVER_PASSWORD";
     private static final String PROPS_URL_KEY = "SURVEYTOOL_URL";
+
+    private static final Object PROPS_WEBDRIVER_KEY = "WEBDRIVER_URL";
     private static String webdriverPassword = null;
 
     private final String email;
@@ -102,4 +104,12 @@ public static String getUrl() {
         }
         return host;
     }
+
+    public static String getWebdriverUrl() {
+        String host = getProperties().get(PROPS_WEBDRIVER_KEY).toString();
+        if (host == null || host.isEmpty()) {
+            host = "http://localhost:4444";
+        }
+        return host;
+    }
 }