perf(test): trim module resets in config suites

src/config/config.multi-agent-agentdir-validation.test.ts

@@ -2,12 +2,11 @@ import fs from "node:fs/promises";
 import { tmpdir } from "node:os";
 import path from "node:path";
 import { describe, expect, it, vi } from "vitest";
+import { loadConfig, validateConfigObject } from "./config.js";
 import { withTempHome } from "./test-helpers.js";
 
 describe("multi-agent agentDir validation", () => {
   it("rejects shared agents.list agentDir", async () => {
-    vi.resetModules();
-    const { validateConfigObject } = await import("./config.js");
     const shared = path.join(tmpdir(), "openclaw-shared-agentdir");
     const res = validateConfigObject({
       agents: {
@@ -46,9 +45,7 @@ describe("multi-agent agentDir validation", () => {
         "utf-8",
       );
 
-      vi.resetModules();
       const spy = vi.spyOn(console, "error").mockImplementation(() => {});
-      const { loadConfig } = await import("./config.js");
       expect(() => loadConfig()).toThrow(/duplicate agentDir/i);
       expect(spy.mock.calls.flat().join(" ")).toMatch(/Duplicate agentDir/i);
       spy.mockRestore();