Issue #3419271 by catch: Only run the performance tests once each in performance test runs

.gitlab-ci/pipeline.yml

@@ -239,4 +239,4 @@ variables:
     - mkdir -p ./sites/simpletest ./sites/default/files ./build/logs/junit /var/www/.composer
     - chown -R www-data:www-data ./sites ./build/logs/junit ./vendor /var/www/
     - sudo -u www-data git config --global --add safe.directory $CI_PROJECT_DIR
-    - for run in {1..3}; do sudo SIMPLETEST_BASE_URL="http://$HOSTNAME/subdirectory" SIMPLETEST_DB="$SIMPLETEST_DB" MINK_DRIVER_ARGS_WEBDRIVER="$MINK_DRIVER_ARGS_WEBDRIVER" OTEL_COLLECTOR="$OTEL_COLLECTOR" -u www-data ./vendor/bin/phpunit --verbose -c core --group OpenTelemetry --log-junit=./sites/default/files/simpletest/phpunit-performance.xml; done
+    - sudo SIMPLETEST_BASE_URL="http://$HOSTNAME/subdirectory" SIMPLETEST_DB="$SIMPLETEST_DB" MINK_DRIVER_ARGS_WEBDRIVER="$MINK_DRIVER_ARGS_WEBDRIVER" OTEL_COLLECTOR="$OTEL_COLLECTOR" -u www-data ./vendor/bin/phpunit --verbose -c core --group OpenTelemetry --log-junit=./sites/default/files/simpletest/phpunit-performance.xml