ci: add node 16 (#3378)

Author: anshumanv

.github/workflows/nodejs.yml

@@ -57,7 +57,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, windows-latest, macos-latest]
-        node-version: [12.x, 14.x]
+        node-version: [12.x, 14.x, 16.x]
         webpack-version: [4, latest]
 
     runs-on: ${{ matrix.os }}

test/helpers/test-bin.js

@@ -56,6 +56,16 @@ function normalizeStderr(stderr, options = {}) {
 
   const networkIPv6 = internalIp.v6.sync();
 
+  // normalize node warnings
+  normalizedStderr = normalizedStderr.replace(
+    /.*DeprecationWarning.*(\n)*/gm,
+    ''
+  );
+  normalizedStderr = normalizedStderr.replace(
+    /.*Use `node --trace-deprecation ...` to show where the warning was created.*(\n)*/gm,
+    ''
+  );
+
   if (networkIPv6) {
     normalizedStderr = normalizedStderr.replace(
       new RegExp(networkIPv6, 'g'),