chore: add flake (#17891)

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Author: AztecBot

.test_patterns.yml

@@ -299,6 +299,10 @@ tests:
     error_regex: "will propagate messages to peers at the same version"
     owners:
       - *palla
+  - regex: "src/client/test/p2p_client.integration_txs.test.ts"
+    error_regex: "Expected number of calls"
+    owners:
+      - *palla
   - regex: "src/client/test/p2p_client.integration_status_handshake.test.ts"
     error_regex: "Expected number of calls"
     owners: