MOBILE-3523: Use $WWWROOT to get moodle site url in tests

Author: NoelDeMartin

mod/login/tests/behat/app_basic_usage.feature

@@ -21,7 +21,7 @@ Feature: Test basic usage of login in app
   Scenario: Add a new site in the app & Site name in displayed when adding a new site
     When I enter the app
     And I press the back button in the app
-    And I set the field "https://campus.example.edu" to "$WEBSERVER" in the app
+    And I set the field "https://campus.example.edu" to "$WWWROOT" in the app
     And I press "Connect to your site" in the app
     Then I should see "Acceptance test site"
 

tests/behat/behat_local_moodlemobileapp.php

@@ -98,20 +98,16 @@ function() use ($session) {
     }
 
     /**
-     * Replaces $WEBSERVER for webserver env variable value, defaults to "webserver" if it is not set.
+     * Replaces $WWWROOT for the url of the Moodle site.
      *
-     * @Transform /^(.*\$WEBSERVER.*)$/
+     * @Transform /^(.*\$WWWROOT.*)$/
      * @param string $text Text.
      * @return string
      */
-    public function arg_replace_webserver_env($text) {
-        $webserver = getenv('WEBSERVER');
+    public function arg_replace_wwwroot($text) {
+        global $CFG;
 
-        if ($webserver === false) {
-            $webserver = 'webserver';
-        }
-
-        return str_replace('$WEBSERVER', $webserver, $text);
+        return str_replace('$WWWROOT', $CFG->behat_wwwroot, $text);
     }
 
 }