diff --git a/extensions/github-copilot/index.test.ts b/extensions/github-copilot/index.test.ts
index 4fc2fca4677..e1e99bf9303 100644
--- a/extensions/github-copilot/index.test.ts
+++ b/extensions/github-copilot/index.test.ts
@@ -4,6 +4,7 @@ import path from "node:path";
 import {
   clearRuntimeAuthProfileStoreSnapshots,
   ensureAuthProfileStore,
+  saveAuthProfileStore,
 } from "openclaw/plugin-sdk/agent-runtime";
 import { createTestPluginApi } from "openclaw/plugin-sdk/plugin-test-api";
 import { afterAll, afterEach, describe, expect, it, vi } from "vitest";
@@ -42,6 +43,22 @@ async function createAgentDir() {
   return dir;
 }
 
+function seedGithubCopilotTokenProfile(agentDir: string, token = "existing-token") {
+  saveAuthProfileStore(
+    {
+      version: 1,
+      profiles: {
+        "github-copilot:github": {
+          type: "token",
+          provider: "github-copilot",
+          token,
+        },
+      },
+    },
+    agentDir,
+  );
+}
+
 function _registerProvider() {
   return registerProviderWithPluginConfig({});
 }
@@ -199,19 +216,7 @@ describe("github-copilot plugin", () => {
     const provider = registerProviderWithPluginConfig({});
     const method = provider.auth[0];
     const agentDir = await createAgentDir();
-    await fs.writeFile(
-      path.join(agentDir, "auth-profiles.json"),
-      JSON.stringify({
-        version: 1,
-        profiles: {
-          "github-copilot:github": {
-            type: "token",
-            provider: "github-copilot",
-            token: "existing-token",
-          },
-        },
-      }),
-    );
+    seedGithubCopilotTokenProfile(agentDir);
     const prompter = {
       confirm: vi.fn(async () => false),
       note: vi.fn(),
@@ -256,19 +261,7 @@ describe("github-copilot plugin", () => {
     const provider = registerProviderWithPluginConfig({});
     const method = provider.auth[0];
     const agentDir = await createAgentDir();
-    await fs.writeFile(
-      path.join(agentDir, "auth-profiles.json"),
-      JSON.stringify({
-        version: 1,
-        profiles: {
-          "github-copilot:github": {
-            type: "token",
-            provider: "github-copilot",
-            token: "existing-token",
-          },
-        },
-      }),
-    );
+    seedGithubCopilotTokenProfile(agentDir);
     const fetchMock = vi.fn(async (input: unknown) => {
       const target =
         typeof input === "string"
@@ -513,19 +506,7 @@ describe("github-copilot plugin", () => {
     const method = provider.auth[0];
     const agentDir = await createAgentDir();
     const runtime = { error: vi.fn(), exit: vi.fn() };
-    await fs.writeFile(
-      path.join(agentDir, "auth-profiles.json"),
-      JSON.stringify({
-        version: 1,
-        profiles: {
-          "github-copilot:github": {
-            type: "token",
-            provider: "github-copilot",
-            token: "existing-token",
-          },
-        },
-      }),
-    );
+    seedGithubCopilotTokenProfile(agentDir);
 
     const result = await method.runNonInteractive({
       authChoice: "github-copilot",
diff --git a/extensions/minimax/speech-provider.test.ts b/extensions/minimax/speech-provider.test.ts
index f50458f1cdb..498549b924a 100644
--- a/extensions/minimax/speech-provider.test.ts
+++ b/extensions/minimax/speech-provider.test.ts
@@ -1,6 +1,10 @@
 import { mkdir, mkdtemp, rm, writeFile } from "node:fs/promises";
 import { tmpdir } from "node:os";
 import path from "node:path";
+import {
+  clearRuntimeAuthProfileStoreSnapshots,
+  saveAuthProfileStore,
+} from "openclaw/plugin-sdk/agent-runtime";
 import { afterEach, beforeEach, describe, expect, it, vi } from "vitest";
 
 const transcodeAudioBufferToOpusMock = vi.hoisted(() => vi.fn());
@@ -18,6 +22,22 @@ function clearMinimaxAuthEnv() {
   delete process.env.MINIMAX_CODING_API_KEY;
 }
 
+function seedMinimaxPortalAuthProfile(agentDir: string) {
+  saveAuthProfileStore(
+    {
+      version: 1,
+      profiles: {
+        "minimax-portal:test": {
+          type: "token",
+          provider: "minimax-portal",
+          token: "portal-token",
+        },
+      },
+    },
+    agentDir,
+  );
+}
+
 describe("buildMinimaxSpeechProvider", () => {
   const provider = buildMinimaxSpeechProvider();
 
@@ -82,6 +102,7 @@ describe("buildMinimaxSpeechProvider", () => {
     });
 
     afterEach(async () => {
+      clearRuntimeAuthProfileStoreSnapshots();
       process.env = { ...savedEnv };
       await rm(tempStateDir, { recursive: true, force: true });
     });
@@ -107,19 +128,7 @@ describe("buildMinimaxSpeechProvider", () => {
     });
 
     it("returns true when a MiniMax portal auth profile is available", async () => {
-      await writeFile(
-        path.join(tempAgentDir, "auth-profiles.json"),
-        JSON.stringify({
-          version: 1,
-          profiles: {
-            "minimax-portal:test": {
-              type: "token",
-              provider: "minimax-portal",
-              token: "portal-token",
-            },
-          },
-        }),
-      );
+      seedMinimaxPortalAuthProfile(tempAgentDir);
 
       expect(provider.isConfigured({ providerConfig: {}, timeoutMs: 30000 })).toBe(true);
     });
@@ -450,19 +459,7 @@ describe("buildMinimaxSpeechProvider", () => {
 
     it("uses a minimax-portal auth profile before env API keys", async () => {
       process.env.MINIMAX_API_KEY = "sk-env";
-      await writeFile(
-        path.join(tempAgentDir, "auth-profiles.json"),
-        JSON.stringify({
-          version: 1,
-          profiles: {
-            "minimax-portal:test": {
-              type: "token",
-              provider: "minimax-portal",
-              token: "portal-token",
-            },
-          },
-        }),
-      );
+      seedMinimaxPortalAuthProfile(tempAgentDir);
       const hexAudio = Buffer.from("audio").toString("hex");
       vi.mocked(globalThis.fetch).mockResolvedValueOnce(
         new Response(JSON.stringify({ data: { audio: hexAudio } }), { status: 200 }),