ci: re-enable testing in Node.js 12 (nodejs#1646)

* ci: re-enable testing in Node.js 12

* ci: bump codecov version

* test: disable failing test in node@v12

* test: disable testing in Jest in Node < 14

Author: dominykas

.github/workflows/nodejs.yml

@@ -16,14 +16,13 @@ jobs:
       test-command: npm run coverage:ci
       post-test-steps: |
         - name: Coverage Report
-          uses: codecov/codecov-action@v2
+          uses: codecov/codecov-action@v3
       include: |
         - runs-on: ubuntu-latest
           node-version: 16.8
       exclude: |
         - runs-on: windows-latest
           node-version: 16
-        - node-version: 12
   automerge:
     if: >
         github.event_name == 'pull_request' &&

package.json

@@ -49,7 +49,7 @@
     "test": "npm run test:tap && npm run test:node-fetch && npm run test:fetch && npm run test:jest && tsd",
     "test:node-fetch": "node scripts/verifyVersion.js 16 || mocha test/node-fetch",
     "test:fetch": "node scripts/verifyVersion.js 16 || (npm run build:node && tap test/fetch/*.js && tap test/webidl/*.js)",
-    "test:jest": "jest",
+    "test:jest": "node scripts/verifyVersion.js 14 || jest",
     "test:tap": "tap test/*.js test/diagnostics-channel/*.js",
     "test:tdd": "tap test/*.js test/diagnostics-channel/*.js -w",
     "test:typescript": "tsd",

test/request-timeout.js

@@ -15,6 +15,8 @@ const {
   PassThrough
 } = require('stream')
 
+const nodeMajor = Number(process.versions.node.split('.')[0])
+
 test('request timeout', (t) => {
   t.plan(1)
 
@@ -55,7 +57,7 @@ test('request timeout with readable body', (t) => {
       t.type(err, errors.HeadersTimeoutError)
     })
   })
-})
+}, { skip: nodeMajor < 14 })
 
 test('body timeout', (t) => {
   t.plan(2)