MDL-69421: Fix tests running with moodle-ci-runner

mod/choice/tests/behat/app_basic_usage.feature

@@ -130,6 +130,7 @@ Feature: Test basic usage of choice activity in app
     And I should not see "Option 3: 0"
 
     When I run cron tasks in the app
+    And I wait loading to finish in the app
     Then I should see "Option 1: 0"
     And I should see "Option 2: 1"
     And I should see "Option 3: 0"

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 "$WEBSERVER" 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

@@ -97,4 +97,21 @@ class behat_local_moodlemobileapp extends behat_base {
         );
     }
 
+    /**
+     * Replaces $WEBSERVER for webserver env variable value, defaults to "webserver" if it is not set.
+     *
+     * @Transform /^(.*\$WEBSERVER.*)$/
+     * @param string $text Text.
+     * @return string
+     */
+    public function arg_replace_webserver_env($text) {
+        $webserver = getenv('WEBSERVER');
+
+        if ($webserver === false) {
+            $webserver = 'webserver';
+        }
+
+        return str_replace('$WEBSERVER', $webserver, $text);
+    }
+
 }