test: fix width of wrangler build warning in unit tests

Previously this was passing with `npm test` but failing with
`npm run test-watch` because in the latter it was taking the
current screen width, which changes depending upon your
current setuop.

packages/wrangler/src/__tests__/index.test.ts

@@ -242,7 +242,8 @@ describe("wrangler", () => {
     expect(std.out).toMatchInlineSnapshot(`
       "▲ [WARNING] Deprecation: \`wrangler build\` has been deprecated.
 
-        Please refer to https://developers.cloudflare.com/workers/wrangler/migration/deprecations/#build for more information.
+        Please refer to https://developers.cloudflare.com/workers/wrangler/migration/deprecations/#build
+        for more information.
         Attempting to run \`wrangler publish --dry-run --outdir=dist\` for you instead:
 
 

packages/wrangler/src/parse.ts

@@ -2,6 +2,7 @@ import * as fs from "node:fs";
 import { resolve } from "node:path";
 import TOML from "@iarna/toml";
 import { formatMessagesSync } from "esbuild";
+import { logger } from "./logger";
 
 export type Message = {
   text: string;
@@ -38,7 +39,7 @@ export function formatMessage(
   const lines = formatMessagesSync([input], {
     color,
     kind: kind,
-    terminalWidth: process.stderr.columns,
+    terminalWidth: logger.columns,
   });
   return lines.join("\n");
 }