Update Convex with no payload to be just like convex with payload but without payload

packages/backend/vitest.config.ts

@@ -0,0 +1,13 @@
+import { defineConfig } from 'vitest/config';
+
+import { convexProject, nodeProject } from '@gib/vitest-config';
+
+export default defineConfig({
+  test: {
+    projects: [
+      convexProject('unit', ['tests/unit/**/*.test.ts']),
+      convexProject('integration', ['tests/integration/**/*.test.ts']),
+      nodeProject('component', ['tests/component/**/*.test.{ts,tsx}']),
+    ],
+  },
+});