test: run tests within workspace

to address Vite errors about serving restricted files from node_modules
outside of workspace root

Author: pcattori

.gitignore

@@ -1,2 +1,5 @@
 .DS_Store
 /node_modules/
+
+# https://github.com/netlify/cli/issues/6958
+.netlify

.tests/.gitignore

@@ -1,6 +1,7 @@
 /node_modules/
+/tmp/
 
-# Tests
+# playwright
 /blob-report/
 /playwright-report/
 /playwright/.cache/

.tests/utils.ts

@@ -1,4 +1,3 @@
-import * as os from "node:os";
 import { fileURLToPath } from "url";
 
 import { test as playwrightTest } from "@playwright/test";
@@ -16,8 +15,7 @@ import { ChildProcess } from "child_process";
 
 const __filename = fileURLToPath(import.meta.url);
 const ROOT = Path.join(__filename, "../..");
-
-const TMP = Path.join(os.tmpdir(), "react-router-templates.tests");
+const TMP = Path.join(ROOT, ".tests/tmp");
 
 declare module "@playwright/test" {
   interface Page {