GA: Create config file for tests

.github/workflows/tests.yml

@@ -48,6 +48,9 @@ jobs:
           max_attempts: 5
           command: composer install --prefer-dist --no-interaction --no-progress
 
+      - name: Roundcube configuration
+        run: cp .ci/config-test.inc.php config/config-test.inc.php
+
       - name: Execute tests
         run: vendor/bin/phpunit -c tests/phpunit.xml --verbose
 
@@ -95,5 +98,8 @@ jobs:
           max_attempts: 5
           command: composer install --prefer-dist --no-interaction --no-progress
 
+      - name: Roundcube configuration
+        run: copy .ci/config-test.inc.php config/config-test.inc.php
+
       - name: Execute tests
         run: vendor/bin/phpunit -c tests/phpunit.xml --verbose