exit with 1 if WPT runner has unexpected errors

test/wpt/runner/runner.mjs

@@ -313,7 +313,7 @@ export class WPTRunner extends EventEmitter {
       `skipped: ${skipped}`
     )
 
-    process.exit(0)
+    process.exit(failed - expectedFailures ? 1 : process.exitCode)
   }
 
   addInitScript (code) {

test/wpt/runner/worker.mjs

@@ -12,6 +12,7 @@ import { WebSocket } from '../../../lib/websocket/websocket.js'
 import { Cache } from '../../../lib/cache/cache.js'
 import { CacheStorage } from '../../../lib/cache/cachestorage.js'
 import { kConstruct } from '../../../lib/cache/symbols.js'
+import { webcrypto } from 'node:crypto'
 
 const { initScripts, meta, test, url, path } = workerData
 
@@ -92,6 +93,14 @@ Object.defineProperties(globalThis, {
   }
 })
 
+// TODO: remove once node 18 is dropped
+if (!globalThis.crypto) {
+  Object.defineProperty(globalThis, 'crypto', {
+    ...globalPropertyDescriptors,
+    value: webcrypto
+  })
+}
+
 // self is required by testharness
 // GLOBAL is required by self
 runInThisContext(`

test/wpt/status/fetch.status.json

@@ -92,9 +92,14 @@
         "skip": true
       },
       "scheme-blob.sub.any.js": {
-        "note": "fails everywhere",
+        "note": "fail: fails everywhere, flaky: only node 18",
         "fail": [
           "Fetching URL.createObjectURL(invalid_type_blob) is OK"
+        ],
+        "flaky": [
+          "Fetching URL.createObjectURL(empty_blob) is OK",
+          "Fetching URL.createObjectURL(empty_type_blob) is OK",
+          "Fetching URL.createObjectURL(empty_data_blob) is OK"
         ]
       },
       "status.h2.any.js": {
@@ -417,6 +422,12 @@
         "note": "this is a bug in webstreams, see https://github.com/nodejs/node/issues/46786",
         "skip": true
       }
+    },
+    "idlharness.any.js": {
+      "note": "https://github.com/nodejs/undici/issues/1666#issuecomment-1275177704",
+      "fail": [
+        "Window interface: operation fetch(RequestInfo, optional RequestInit)"
+      ]
     }
   },
   "content-length": {