test: the preview server binds where the dev server does, so both are reachable

apps/tests/integration/package.json

@@ -8,7 +8,7 @@
     "test": "node -r esbuild-register ../../../node_modules/.bin/playwright test simple.integration.test.js",
     "test:web": "bun run test",
     "build:prod": "vite build",
-    "preview": "vite preview",
+    "preview": "vite preview --host",
     "dev": "NODE_ENV=development vite --host --clearScreen false",
     "dev:extract": "EXTRACT=1 bun run dev",
     "prod": "NODE_ENV=production webpack --json=dist/compilation-stats.json"

apps/tests/integration/tests/simple.integration.test.js

@@ -5,11 +5,10 @@ import waitPort from 'wait-port'
 const devPort = 5008
 const prodPort = 5009
 
-// Each test here starts a server and then waits on the page for up to 45s, and
-// the prod one compiles the app before it can even do that. Playwright's default
-// 30s is smaller than the waits inside a single test, so the budget only held
-// while the machine was idle: under the rest of the workspace building alongside
-// it, the prod test spent 27s watching for the preview port and was cut off.
+// Each test starts a server and then waits on the page for up to 45s, and the
+// prod one compiles the app before it can do either. The budget covers all of
+// that, because Playwright's default 30s is smaller than the waits written
+// inside a single test here.
 test.describe.configure({ timeout: 180_000 })
 
 function spawnServer(command, args) {