test: increased message propagation delay

.github/workflows/nim_waku_daily_test.yml

@@ -0,0 +1,21 @@
+name: Test Nim -> Nim Waku Interop
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: false
+
+on:
+  push:
+    branches:
+      - 'fix-flaky-rln-test'
+  workflow_dispatch:
+
+jobs:
+  test-common:
+    uses: ./.github/workflows/test_common.yml
+    secrets: inherit
+    with:
+      node1: "harbor.status.im/wakuorg/nwaku:latest"
+      node2: "harbor.status.im/wakuorg/nwaku:latest"
+      additional_nodes: "harbor.status.im/wakuorg/nwaku:latest,harbor.status.im/wakuorg/nwaku:latest,harbor.status.im/wakuorg/nwaku:latest"
+      caller: "nim"

tests/relay/test_rln.py

@@ -25,7 +25,7 @@ class TestRelayRLN(StepsRLN, StepsRelay):
             logger.debug(f'Running test with payload {payload["description"]}')
             message = self.create_message(payload=to_base64(payload["value"]))
             try:
-                self.check_published_message_reaches_relay_peer(message)
+                self.check_published_message_reaches_relay_peer(message, message_propagation_delay=0.2)
             except Exception as e:
                 logger.error(f'Payload {payload["description"]} failed: {str(e)}')
                 failed_payloads.append(payload["description"])