Ensure we use preprod as backend value for apigee int tests

Author: dlzhry2nhs

.github/workflows/run-e2e-automation-tests.yml

@@ -210,7 +210,7 @@ jobs:
       - name: Run Pytest-BDD ${{ inputs.service_under_test }} tests with the ${{ inputs.suite_to_run }} filter
         working-directory: tests/e2e_automation
         env:
-          S3_env: ${{ inputs.sub_environment }}
+          S3_env: ${{ startsWith(inputs.sub_environment, 'int-') && 'preprod' || inputs.sub_environment }}
           auth_url: https://${{ env.APIGEE_AUTH_ENV }}.api.service.nhs.uk/oauth2-mock/authorize
           token_url: https://${{ env.APIGEE_AUTH_ENV }}.api.service.nhs.uk/oauth2-mock/token
           baseUrl: https://${{ inputs.apigee_environment }}.api.service.nhs.uk/${{env.SERVICE_BASE_PATH}}