diff --git a/examples/eth-dm/package.json b/examples/eth-dm/package.json
index bf99fff6cc..405f819d9d 100644
--- a/examples/eth-dm/package.json
+++ b/examples/eth-dm/package.json
@@ -28,7 +28,7 @@
     "build:react": "react-scripts build",
     "eject": "react-scripts eject",
     "fix": "run-s fix:*",
-    "test": "npm-run-all build --parallel test:*",
+    "test": "run-s build test:*",
     "test:lint": "eslint src --ext .ts --ext .tsx",
     "test:prettier": "prettier \"src/**/*.{ts,tsx}\" \"./*.json\" --list-different",
     "test:spelling": "cspell \"{README.md,src/**/*.{ts,tsx},public/**/*.html}\" -c ../../.cspell.json",
diff --git a/examples/web-chat/package.json b/examples/web-chat/package.json
index c657513661..180eb49ea1 100644
--- a/examples/web-chat/package.json
+++ b/examples/web-chat/package.json
@@ -32,7 +32,7 @@
     "test:unit": "react-scripts test",
     "eject": "react-scripts eject",
     "fix": "run-s fix:*",
-    "test": "npm-run-all build --parallel test:*",
+    "test": "run-s build test:*",
     "test:lint": "eslint src --ext .ts --ext .tsx",
     "test:prettier": "prettier \"src/**/*.{ts,tsx}\" \"./*.json\" --list-different",
     "test:spelling": "cspell \"{README.md,.github/*.md,src/**/*.{ts,tsx},public/**/*.html}\" -c ../../.cspell.json",
diff --git a/package.json b/package.json
index c2aa2b5849..bcaf9a86ef 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
     "examples:pretest": "for d in examples/*; do (cd $d; npm install); done",
     "nim-waku:build": "(cd nim-waku; NIMFLAGS=\"-d:chronicles_colors=off -d:chronicles_sinks=textlines -d:chronicles_log_level=TRACE\" make -j$(nproc --all 2>/dev/null || echo 2) wakunode2)",
     "nim-waku:force-build": "(cd nim-waku && rm -rf ./build/ ./vendor && make -j$(nproc --all 2>/dev/null || echo 2) update) && run-s nim-waku:build",
-    "test": "npm-run-all build --parallel test:*",
+    "test": "run-s build test:*",
     "test:lint": "eslint src --ext .ts",
     "test:prettier": "prettier \"src/**/*.ts\" \"./*.json\" \"*.conf.js\" --list-different",
     "test:spelling": "cspell \"{README.md,.github/*.md,src/**/*.ts}\"",
diff --git a/src/test_utils/nim_waku.ts b/src/test_utils/nim_waku.ts
index c6b78c2997..6bf7cc716d 100644
--- a/src/test_utils/nim_waku.ts
+++ b/src/test_utils/nim_waku.ts
@@ -181,6 +181,11 @@ export class NimWaku {
     let timestamp;
     if (message.timestamp) {
       timestamp = message.timestamp.valueOf() / 1000;
+      if (Number.isInteger(timestamp)) {
+        // Add a millisecond to ensure it's not an integer
+        // Until https://github.com/status-im/nim-waku/issues/691 is done
+        timestamp += 0.001;
+      }
     }
 
     const rpcMessage = {