Fix test coverage reporting

[socsieng]

Example: https://github.com/opennextjs/opennextjs-aws/actions/runs/11346409364/job/31555398814#step:5:70

 % Coverage report from v8
-------------------|---------|----------|---------|---------|-------------------
File               | % Stmts | % Branch | % Funcs | % Lines | Uncovered Line #s 
-------------------|---------|----------|---------|---------|-------------------
All files          |    3.73 |    47.24 |   22.83 |    3.73 |                   
 open-next/src     |       0 |        0 |       0 |       0 |                   
  build.ts         |       0 |        0 |       0 |       0 | 1-747             
  index.ts         |       0 |        0 |       0 |       0 | 1-48              
  logger.ts        |       0 |        0 |       0 |       0 | 1-16              
  minimize-js.ts   |       0 |        0 |       0 |       0 | 1-104             
 ...t/src/adapters |    8.78 |    27.27 |   13.63 |    8.78 |                   
  binary.ts        |   92.85 |      100 |       0 |   92.85 | 60-64             
  cache.ts         |     4.3 |      100 |   14.28 |     4.3 | ...74-410,413-454 
  ...o-provider.ts |       0 |        0 |       0 |       0 | 1-78              
  edge-adapter.ts  |       0 |        0 |       0 |       0 | 1-75              
  ...on-adapter.ts |       0 |        0 |       0 |       0 | 1-270             
  logger.ts        |   37.73 |       50 |   16.66 |   37.73 | ...15,39-45,49-71 
  middleware.ts    |       0 |        0 |       0 |       0 | 1-109             
  revalidate.ts    |       0 |        0 |       0 |       0 | 1-101             
  ...er-adapter.ts |       0 |        0 |       0 |       0 | 1-39              
  util.ts          |       0 |      100 |     100 |       0 | 3-37              
  ...r-function.ts |       0 |        0 |       0 |       0 | 1-117             
 ...dapters/config |       0 |        0 |       0 |       0 |                   
  index.ts         |       0 |        0 |       0 |       0 | 1-33              
  util.ts          |       0 |        0 |       0 |       0 | 1-111             
 ...s/plugins/14.1 |       0 |        0 |       0 |       0 |                   
  util.ts          |       0 |        0 |       0 |       0 | 1-30              
 ...e-optimization |       0 |        0 |       0 |       0 |                   
  ...eplacement.ts |       0 |        0 |       0 |       0 | 1-50              
  ...timization.ts |       0 |        0 |       0 |       0 | 1-34              
 ...ithout-routing |       0 |      100 |     100 |       0 |                   
  ...estHandler.ts |       0 |      100 |     100 |       0 | 9-18              
 ...next/src/build |       0 |        0 |       0 |       0 |                   
  ...NextServer.ts |       0 |        0 |       0 |       0 | 1-104             
  compileConfig.ts |       0 |        0 |       0 |       0 | 1-90              
  ...racedFiles.ts |       0 |        0 |       0 |       0 | 1-297             
  ...rverBundle.ts |       0 |        0 |       0 |       0 | 1-338             
  ...rateOutput.ts |       0 |        0 |       0 |       0 | 1-376             
  helper.ts        |       0 |        0 |       0 |       0 | 1-305             
  ...dateConfig.ts |       0 |        0 |       0 |       0 | 1-113             
 ...src/build/edge |       0 |        0 |       0 |       0 |                   
  ...EdgeBundle.ts |       0 |        0 |       0 |       0 | 1-231             
 ...rc/build/patch |       0 |      100 |     100 |       0 |                   
  ...yncStorage.ts |       0 |      100 |     100 |       0 | 3-19              
 ...next/src/cache |       0 |        0 |       0 |       0 |                   
  next-types.ts    |       0 |        0 |       0 |       0 |                   
 ...he/incremental |       0 |    33.33 |   33.33 |       0 |                   
  s3-lite.ts       |       0 |        0 |       0 |       0 | 1-92              
  s3.ts            |       0 |        0 |       0 |       0 | 1-78              
  types.ts         |       0 |        0 |       0 |       0 |                   
 .../src/cache/tag |       0 |       25 |      25 |       0 |                   
  constants.ts     |       0 |        0 |       0 |       0 | 1-25              
  dynamodb-lite.ts |       0 |        0 |       0 |       0 | 1-212             
  dynamodb.ts      |       0 |        0 |       0 |       0 | 1-157             
  types.ts         |       0 |        0 |       0 |       0 |                   
 ...src/converters |   17.58 |    65.38 |   36.36 |   17.58 |                   
  aws-apigw-v1.ts  |       0 |        0 |       0 |       0 | 1-112             
  aws-apigw-v2.ts  |       0 |        0 |       0 |       0 | 1-125             
  ...cloudfront.ts |   52.57 |    78.94 |      50 |   52.57 | ...06,154,157-215 
  dummy.ts         |       0 |      100 |     100 |       0 | 8-24              
  edge.ts          |       0 |        0 |       0 |       0 | 1-102             
  node.ts          |       0 |        0 |       0 |       0 | 1-55              
  ...revalidate.ts |       0 |      100 |     100 |       0 | 6-28              
  utils.ts         |       0 |        0 |       0 |       0 | 1-11              
 ...-next/src/core |       0 |    22.22 |   22.22 |       0 |                   
  ...ricHandler.ts |       0 |        0 |       0 |       0 | 1-56              
  ...ainHandler.ts |       0 |        0 |       0 |       0 | 1-65              
  ...ionHandler.ts |       0 |      100 |     100 |       0 | 55-82             
  ...yncStorage.ts |       0 |        0 |       0 |       0 | 1-39              
  ...estHandler.ts |       0 |        0 |       0 |       0 | 1-226             
  require-hooks.ts |       0 |        0 |       0 |       0 | 1-152             
  resolve.ts       |       0 |      100 |     100 |       0 | 15-108            
  ...ingHandler.ts |       0 |        0 |       0 |       0 | 1-218             
  util.ts          |       0 |        0 |       0 |       0 | 1-104             
 ...c/core/routing |    3.99 |       80 |    8.69 |    3.99 |                   
  ...nterceptor.ts |       0 |        0 |       0 |       0 | 1-210             
  matcher.ts       |       0 |        0 |       0 |       0 | 1-408             
  middleware.ts    |       0 |        0 |       0 |       0 | 1-196             
  util.ts          |   11.92 |      100 |      10 |   11.92 | ...39-473,484-505 
 ...e/routing/i18n |       0 |       50 |      50 |       0 |                   
  accept-header.ts |       0 |      100 |     100 |       0 | 17-141            
  index.ts         |       0 |        0 |       0 |       0 | 1-50              
 ...xt/src/helpers |       0 |      100 |     100 |       0 |                   
  ...Cloudflare.ts |       0 |      100 |     100 |       0 | 79-118            
  withSST.ts       |       0 |      100 |     100 |       0 | 59-65             
 ...-next/src/http |    4.58 |       75 |   16.66 |    4.58 |                   
  index.ts         |       0 |        0 |       0 |       0 | 1-4               
  ...xtResponse.ts |    1.58 |      100 |       0 |    1.58 | 29-372            
  request.ts       |       0 |        0 |       0 |       0 | 1-52              
  util.ts          |   32.35 |      100 |   33.33 |   32.35 | 4-20,23-30        
 ...es/imageLoader |       0 |        0 |       0 |       0 |                   
  host.ts          |       0 |        0 |       0 |       0 | 1-35              
  s3.ts            |       0 |        0 |       0 |       0 | 1-46              
 ...xt/src/plugins |       0 |        0 |       0 |       0 |                   
  edge.ts          |       0 |        0 |       0 |       0 | 1-199             
  replacement.ts   |       0 |        0 |       0 |       0 | 1-107             
  resolve.ts       |       0 |        0 |       0 |       0 | 1-107             
 ...next/src/queue |       0 |    33.33 |   33.33 |       0 |                   
  sqs-lite.ts      |       0 |        0 |       0 |       0 | 1-61              
  sqs.ts           |       0 |        0 |       0 |       0 | 1-28              
  types.ts         |       0 |        0 |       0 |       0 |                   
 ...next/src/types |       0 |        0 |       0 |       0 |                   
  aws-lambda.ts    |       0 |        0 |       0 |       0 |                   
  next-types.ts    |       0 |        0 |       0 |       0 |                   
  open-next.ts     |       0 |        0 |       0 |       0 |                   
 ...next/src/utils |   21.31 |    77.77 |   57.14 |   21.31 |                   
  error.ts         |       0 |      100 |     100 |       0 | 10-41             
  fetch.ts         |       0 |      100 |     100 |       0 | 4-24              
  promise.ts       |       0 |        0 |       0 |       0 | 1-60              
  stream.ts        |   68.42 |    83.33 |      50 |   68.42 | 30-36,39-43       
 ...t/src/wrappers |       0 |       25 |      25 |       0 |                   
  ...-streaming.ts |       0 |        0 |       0 |       0 | 1-119             
  aws-lambda.ts    |       0 |        0 |       0 |       0 | 1-73              
  cloudflare.ts    |       0 |      100 |     100 |       0 | 9-39              
  node.ts          |       0 |        0 |       0 |       0 | 1-69              
 utils/src         |       0 |        0 |       0 |       0 |                   
  binary.ts        |       0 |        0 |       0 |       0 | 1-64              
  index.ts         |       0 |        0 |       0 |       0 | 1-16              
  logger.ts        |       0 |        0 |       0 |       0 | 1-21              
-------------------|---------|----------|---------|---------|-------------------

For: #557

[conico974]

LGTM
Thanks