diff --git a/src/agents/live-auth-keys.test.ts b/src/agents/live-auth-keys.test.ts
index 6a8b8f42a43..83588d2c1be 100644
--- a/src/agents/live-auth-keys.test.ts
+++ b/src/agents/live-auth-keys.test.ts
@@ -5,6 +5,8 @@ vi.unmock("../secrets/provider-env-vars.js");
 let collectProviderApiKeys: typeof import("./live-auth-keys.js").collectProviderApiKeys;
 
 async function loadModulesForTest(): Promise<void> {
+  vi.resetModules();
+  vi.doUnmock("../secrets/provider-env-vars.js");
   ({ collectProviderApiKeys } = await import("./live-auth-keys.js"));
 }
 
diff --git a/src/agents/models-config.auto-injects-github-copilot-provider-token-is.test.ts b/src/agents/models-config.auto-injects-github-copilot-provider-token-is.test.ts
index 812865c4dee..5a1d740735b 100644
--- a/src/agents/models-config.auto-injects-github-copilot-provider-token-is.test.ts
+++ b/src/agents/models-config.auto-injects-github-copilot-provider-token-is.test.ts
@@ -1,6 +1,6 @@
 import fs from "node:fs/promises";
 import path from "node:path";
-import { describe, expect, it, vi } from "vitest";
+import { beforeEach, describe, expect, it, vi } from "vitest";
 import { withEnvAsync } from "../test-utils/env.js";
 import {
   installModelsConfigTestHooks,
@@ -8,7 +8,6 @@ import {
   withCopilotGithubToken,
   withModelsTempHome as withTempHome,
 } from "./models-config.e2e-harness.js";
-import { ensureOpenClawModelsJson } from "./models-config.js";
 
 vi.unmock("./models-config.js");
 vi.unmock("./agent-paths.js");
@@ -19,6 +18,21 @@ vi.unmock("../secrets/provider-env-vars.js");
 
 installModelsConfigTestHooks({ restoreFetch: true });
 
+let ensureOpenClawModelsJson: typeof import("./models-config.js").ensureOpenClawModelsJson;
+
+async function loadModelsConfigForTest(): Promise<void> {
+  vi.resetModules();
+  vi.doUnmock("./models-config.js");
+  vi.doUnmock("./agent-paths.js");
+  vi.doUnmock("../plugins/manifest-registry.js");
+  vi.doUnmock("../plugins/provider-runtime.js");
+  vi.doUnmock("../plugins/provider-runtime.runtime.js");
+  vi.doUnmock("../secrets/provider-env-vars.js");
+  ({ ensureOpenClawModelsJson } = await import("./models-config.js"));
+}
+
+beforeEach(loadModelsConfigForTest);
+
 describe("models-config", () => {
   it("auto-injects github-copilot provider when token is present", async () => {
     await withTempHome(async (home) => {
diff --git a/src/agents/models-config.falls-back-default-baseurl-token-exchange-fails.test.ts b/src/agents/models-config.falls-back-default-baseurl-token-exchange-fails.test.ts
index d10096f920c..907c84b79ae 100644
--- a/src/agents/models-config.falls-back-default-baseurl-token-exchange-fails.test.ts
+++ b/src/agents/models-config.falls-back-default-baseurl-token-exchange-fails.test.ts
@@ -1,6 +1,6 @@
 import fs from "node:fs/promises";
 import path from "node:path";
-import { describe, expect, it, vi } from "vitest";
+import { beforeEach, describe, expect, it, vi } from "vitest";
 import { withEnvAsync } from "../test-utils/env.js";
 import { DEFAULT_COPILOT_API_BASE_URL } from "./github-copilot-token.js";
 import {
@@ -9,7 +9,6 @@ import {
   withUnsetCopilotTokenEnv,
   withModelsTempHome as withTempHome,
 } from "./models-config.e2e-harness.js";
-import { ensureOpenClawModelsJson } from "./models-config.js";
 
 vi.unmock("./models-config.js");
 vi.unmock("./agent-paths.js");
@@ -20,6 +19,21 @@ vi.unmock("../secrets/provider-env-vars.js");
 
 installModelsConfigTestHooks({ restoreFetch: true });
 
+let ensureOpenClawModelsJson: typeof import("./models-config.js").ensureOpenClawModelsJson;
+
+async function loadModelsConfigForTest(): Promise<void> {
+  vi.resetModules();
+  vi.doUnmock("./models-config.js");
+  vi.doUnmock("./agent-paths.js");
+  vi.doUnmock("../plugins/manifest-registry.js");
+  vi.doUnmock("../plugins/provider-runtime.js");
+  vi.doUnmock("../plugins/provider-runtime.runtime.js");
+  vi.doUnmock("../secrets/provider-env-vars.js");
+  ({ ensureOpenClawModelsJson } = await import("./models-config.js"));
+}
+
+beforeEach(loadModelsConfigForTest);
+
 async function readCopilotBaseUrl(agentDir: string) {
   const raw = await fs.readFile(path.join(agentDir, "models.json"), "utf8");
   const parsed = JSON.parse(raw) as {
diff --git a/src/agents/models-config.fills-missing-provider-apikey-from-env-var.test.ts b/src/agents/models-config.fills-missing-provider-apikey-from-env-var.test.ts
index 065cea6b02d..ebf255e0e56 100644
--- a/src/agents/models-config.fills-missing-provider-apikey-from-env-var.test.ts
+++ b/src/agents/models-config.fills-missing-provider-apikey-from-env-var.test.ts
@@ -8,6 +8,7 @@ vi.unmock("../secrets/provider-env-vars.js");
 async function loadSecretsModule() {
   vi.doUnmock("../plugins/manifest-registry.js");
   vi.doUnmock("../plugins/provider-runtime.js");
+  vi.doUnmock("../plugins/provider-runtime.runtime.js");
   vi.doUnmock("../secrets/provider-env-vars.js");
   vi.resetModules();
   const [{ resetProviderRuntimeHookCacheForTest }, { resetPluginLoaderTestStateForTest }] =
@@ -23,6 +24,7 @@ async function loadSecretsModule() {
 beforeEach(async () => {
   vi.doUnmock("../plugins/manifest-registry.js");
   vi.doUnmock("../plugins/provider-runtime.js");
+  vi.doUnmock("../plugins/provider-runtime.runtime.js");
   vi.doUnmock("../secrets/provider-env-vars.js");
   vi.resetModules();
   const [{ resetProviderRuntimeHookCacheForTest }, { resetPluginLoaderTestStateForTest }] =
diff --git a/src/agents/models-config.providers.qianfan.test.ts b/src/agents/models-config.providers.qianfan.test.ts
index c5c68f99c90..ff5e6f39dea 100644
--- a/src/agents/models-config.providers.qianfan.test.ts
+++ b/src/agents/models-config.providers.qianfan.test.ts
@@ -25,6 +25,7 @@ let createProviderAuthResolver: typeof import("./models-config.providers.secrets
 async function loadSecretsModule() {
   vi.doUnmock("../plugins/manifest-registry.js");
   vi.doUnmock("../plugins/provider-runtime.js");
+  vi.doUnmock("../plugins/provider-runtime.runtime.js");
   vi.doUnmock("../secrets/provider-env-vars.js");
   vi.resetModules();
   await resetProviderRuntimeState();