test: relax windows docs snapshot timeout (#4049)

Windows CI runs these documentation contract fixtures under variable load. A degraded runner pushed the preview and versions snapshot integration tests past their 30s ceiling, while a healthy run finishes in seconds. Keep 30s elsewhere and give Windows a 120s ceiling.

2 files changed, 13 insertions, 3 deletions

diff --git a/scripts/docs/preview.integration.test.ts b/scripts/docs/preview.integration.test.ts
index 789c5d31..b74ac4ec 100644
--- a/scripts/docs/preview.integration.test.ts
+++ b/scripts/docs/preview.integration.test.ts
@@ -7,6 +7,11 @@ import { tmpdir } from 'node:os';
 const script = resolve(import.meta.dir, 'preview.mjs');
 const temporaryDirectories: string[] = [];
 
+// The fixture shells out to node and git many times. A healthy Windows runner
+// finishes in seconds, but a degraded one can run an order of magnitude slower,
+// so keep a generous ceiling instead of making the suite a load-sensitive flake.
+const fixtureTimeoutMs = process.platform === 'win32' ? 120_000 : 30_000;
+
 afterEach(async () => {
   await Promise.all(
     temporaryDirectories.splice(0).map((path) => rm(path, { recursive: true, force: true })),
@@ -27,7 +32,7 @@ describe('preview documentation snapshots', () => {
       'selected preview\n',
     );
     await expect(read(root, 'docs/preview/website/stale.mdx')).rejects.toThrow();
-  }, 30_000);
+  }, fixtureTimeoutMs);
 
   test('rejects snapshot drift', async () => {
     const root = await fixture();
@@ -37,7 +42,7 @@ describe('preview documentation snapshots', () => {
     await write(root, 'docs/preview/website/src/content/docs/index.mdx', 'changed\n');
 
     expect(() => runScript(root, ['check'])).toThrow();
-  }, 30_000);
+  }, fixtureTimeoutMs);
 });
 
 async function fixture() {
diff --git a/scripts/docs/versions.integration.test.ts b/scripts/docs/versions.integration.test.ts
index a52be1be..9731d3c0 100644
--- a/scripts/docs/versions.integration.test.ts
+++ b/scripts/docs/versions.integration.test.ts
@@ -7,6 +7,11 @@ import { tmpdir } from 'node:os';
 const script = resolve(import.meta.dir, 'versions.mjs');
 const temporaryDirectories: string[] = [];
 
+// The fixture shells out to node and git many times. A healthy Windows runner
+// finishes in seconds, but a degraded one can run an order of magnitude slower,
+// so keep a generous ceiling instead of making the suite a load-sensitive flake.
+const fixtureTimeoutMs = process.platform === 'win32' ? 120_000 : 30_000;
+
 afterEach(async () => {
   await Promise.all(
     temporaryDirectories.splice(0).map((path) => rm(path, { recursive: true, force: true })),
@@ -103,7 +108,7 @@ describe('documentation release publishing', () => {
     delete archivedManifest.versions[0].commit;
     await write(root, 'docs/versions/manifest.json', `${JSON.stringify(archivedManifest)}\n`);
     expect(() => runScript(root, ['check'])).toThrow();
-  }, 30_000);
+  }, fixtureTimeoutMs);
 });
 
 async function write(root: string, path: string, content: string) {