Run tests also on older server versions

Signed-off-by: tobiasKaminsky <[email protected]>

Author: tobiasKaminsky

.drone.yml

@@ -187,10 +187,10 @@ steps:
         - stable-*
 
 services:
-  - name: server-stable
+  - name: server-stable-${SERVER_VERSION}
     image: nextcloudci/server:server-17
     commands:
-      - BRANCH='stable22' /usr/local/bin/initnc.sh
+      - BRANCH='stable${SERVER_VERSION}' /usr/local/bin/initnc.sh
       - su www-data -c "php /var/www/html/occ log:manage --level warning"
       - su www-data -c "OC_PASS=user1 php /var/www/html/occ user:add --password-from-env --display-name='User One' user1"
       - su www-data -c "OC_PASS=user2 php /var/www/html/occ user:add --password-from-env --display-name='User Two' user2"
@@ -200,16 +200,21 @@ services:
       - su www-data -c "php /var/www/html/occ group:add users"
       - su www-data -c "php /var/www/html/occ group:adduser users user1"
       - su www-data -c "php /var/www/html/occ group:adduser users user2"
-      - su www-data -c "git clone -b stable22 https://github.com/nextcloud/activity.git /var/www/html/apps/activity/"
+      - su www-data -c "git clone -b stable${SERVER_VERSION} https://github.com/nextcloud/activity.git /var/www/html/apps/activity/"
       - su www-data -c "php /var/www/html/occ app:enable activity"
-      - su www-data -c "git clone -b stable22 https://github.com/nextcloud/text.git /var/www/html/apps/text/"
+      - su www-data -c "git clone -b stable${SERVER_VERSION} https://github.com/nextcloud/text.git /var/www/html/apps/text/"
       - su www-data -c "php /var/www/html/occ app:enable text"
-      - su www-data -c "git clone -b stable22 https://github.com/nextcloud/end_to_end_encryption.git /var/www/html/apps/end_to_end_encryption/"
+      - su www-data -c "git clone -b stable${SERVER_VERSION} https://github.com/nextcloud/end_to_end_encryption.git /var/www/html/apps/end_to_end_encryption/"
       - su www-data -c "php /var/www/html/occ app:enable end_to_end_encryption"
-      - su www-data -c "git clone -b stable22 https://github.com/nextcloud/password_policy.git /var/www/html/apps/password_policy/"
+      - su www-data -c "git clone -b stable${SERVER_VERSION} https://github.com/nextcloud/password_policy.git /var/www/html/apps/password_policy/"
       - su www-data -c "php /var/www/html/occ app:enable password_policy"
       - /usr/local/bin/run.sh
 
+matrix:
+  SERVER_VERSION:
+    - 22
+    - 21
+
 trigger:
   branch:
     - master