fix ci

Author: alexandre-abrioux

.circleci/config.yml

@@ -119,6 +119,9 @@ jobs:
             --ignore @requestnetwork/payment-processor \
             --ignore @requestnetwork/integration-test \
             --concurrency=2
+          environment:
+            # Lerna starts 2 Jest commands at the same time (--concurrency=2), so we use 50% core for each
+            JEST_MAX_WORKERS: '50%'
       - store_test_results:
           path: packages/advance-logic/reports/
       - store_test_results:

jest.config.js

@@ -17,4 +17,5 @@ module.exports = {
       },
     ],
   ],
+  ...(process.env.JEST_MAX_WORKERS ? { maxWorkers: process.env.JEST_MAX_WORKERS } : {}),
 };