fix multiple command

bamboo-specs/example.yaml

@@ -52,7 +52,7 @@ Test:
               --rev "${bamboo_planRepository_revision}" \
               --workflow example.yml \
               --artifacts-path . \
-              --secret SECRET_KEY=SECRET_VALUE
+              --secret SECRET_KEY=SECRET_VALUE \
               -v
   # The artifacts produced by the workflow are downloaded and shared with the
   # Bamboo CI job. These artifacts can be then shared with other unrelated