New method

Author: arandito

.github/workflows/run-tests.yml

@@ -10,7 +10,7 @@ permissions:
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}
-  cancel-in-progress: ${{ github.ref != 'refs/heads/master' && github.ref != 'refs/heads/concurrency-test-1' }}
+  cancel-in-progress: ${{ !contains('refs/heads/master refs/heads/concurrency-test-1', github.ref) }}ß
 
 jobs:
   build: