Concurrent fixture tests

[GregBrimble]

This makes all the fixture tests less flaky, since they no longer compete for fixed ports. They all now start up on port 0 and await a message from wrangler telling them which port they were assigned. This means that the fixtures can be run concurrently.

• Announce with IPC running server
• Re-write tests to be concurrent and consume IPC message
• local-mode-tests
• Actually run the fixtures concurrently
• external-durable-objects-app
• service-bindings-app
• Fix --port=0 logging miniflare#382

[changeset-bot]

⚠️ No Changeset found

Latest commit: edac49a

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[github-actions]

A wrangler prerelease is available for testing. You can install this latest build in your project with:

npm install --save-dev https://prerelease-registry.developers.workers.dev/runs/3083612480/npm-package-wrangler-1877

You can reference the automatically updated head of this PR with:

npm install --save-dev https://prerelease-registry.developers.workers.dev/prs/1877/npm-package-wrangler-1877

Or you can use npx with this latest build directly:

npx https://prerelease-registry.developers.workers.dev/runs/3083612480/npm-package-wrangler-1877 dev path/to/script.js

[codecov]

Codecov Report

Merging #1877 (757f493) into main (adfc52d) will decrease coverage by 0.00%.
The diff coverage is 75.00%.

❗ Current head 757f493 differs from pull request most recent head edac49a. Consider uploading reports for the commit edac49a to get more accurate results

@@            Coverage Diff             @@
##             main    #1877      +/-   ##
==========================================
- Coverage   77.49%   77.48%   -0.01%     
==========================================
  Files         105      105              
  Lines        7473     7472       -1     
  Branches     1972     1971       -1     
==========================================
- Hits         5791     5790       -1     
  Misses       1682     1682              

Impacted Files	Coverage Δ
packages/wrangler/src/dev/local.tsx	30.67% <0.00%> (ø)
packages/wrangler/src/dev.tsx	85.30% <100.00%> (-0.07%)	⬇️
packages/wrangler/src/dev/start-server.ts	76.00% <100.00%> (ø)

[rozenmd]

I love this!