test: adopt macOS-safe real-Obsidian sessions

vitest.config.e2e-runner.ts

@@ -0,0 +1,8 @@
+import { defineConfig } from "vitest/config";
+
+export default defineConfig({
+    test: {
+        environment: "node",
+        include: ["test/e2e-obsidian/runner/*.test.ts"],
+    },
+});