test: fix wrong error classes passed in as type

PR-URL: https://github.com/nodejs/node/pull/13686
Fixes: https://github.com/nodejs/node/issues/13682
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Michaël Zasso <targos@protonmail.com>

test/parallel/test-http2-info-headers-errors.js

@@ -1,4 +1,5 @@
 'use strict';
+// Flags: --expose-internals
 
 const common = require('../common');
 if (!common.hasCrypto)
@@ -9,6 +10,7 @@ const {
   Http2Stream,
   nghttp2ErrorString
 } = process.binding('http2');
+const { NghttpError } = require('internal/http2/util');
 
 // tests error handling within additionalHeaders
 // - every other NGHTTP2 error from binding (should emit stream error)
@@ -24,7 +26,8 @@ const genericTests = Object.getOwnPropertyNames(constants)
     ngError: constants[key],
     error: {
       code: 'ERR_HTTP2_ERROR',
-      type: Error,
+      type: NghttpError,
+      name: 'Error [ERR_HTTP2_ERROR]',
       message: nghttp2ErrorString(constants[key])
     },
     type: 'stream'