fix(test): stabilize windows tooling assertions

Author: vincentkoc

scripts/lib/plugin-npm-release.ts

@@ -80,7 +80,7 @@ export function collectExtensionPackageJsonCandidates<
 
   const candidates: PublishablePluginPackageCandidate<TPackageJson>[] = [];
   for (const dir of dirs) {
-    const packageDir = join("extensions", dir.name);
+    const packageDir = `extensions/${dir.name}`;
     const absolutePackageDir = join(extensionsDir, dir.name);
     const packageJsonPath = join(absolutePackageDir, "package.json");
     try {

src/scripts/test-projects.test.ts

@@ -41,7 +41,7 @@ const VITEST_NODE_PREFIX = [
   "exec",
   "node",
   "--no-maglev",
-  expect.stringContaining("/node_modules/vitest/vitest.mjs"),
+  expect.stringMatching(/(?:^|[\\/])node_modules[\\/]vitest[\\/]vitest\.mjs$/),
 ];
 
 describe("test-projects args", () => {