diff --git a/extensions/brave/test-api.ts b/extensions/brave/test-api.ts
new file mode 100644
index 00000000000..b523a2c51b1
--- /dev/null
+++ b/extensions/brave/test-api.ts
@@ -0,0 +1 @@
+export { __testing } from "./src/brave-web-search-provider.js";
diff --git a/extensions/moonshot/test-api.ts b/extensions/moonshot/test-api.ts
new file mode 100644
index 00000000000..9168ea3be27
--- /dev/null
+++ b/extensions/moonshot/test-api.ts
@@ -0,0 +1 @@
+export { __testing } from "./src/kimi-web-search-provider.js";
diff --git a/extensions/xai/test-api.ts b/extensions/xai/test-api.ts
new file mode 100644
index 00000000000..0e1cf9add05
--- /dev/null
+++ b/extensions/xai/test-api.ts
@@ -0,0 +1 @@
+export { __testing } from "./src/grok-web-search-provider.js";
diff --git a/src/agents/subagent-announce.format.e2e.test.ts b/src/agents/subagent-announce.format.e2e.test.ts
index 3750a15d453..f1a082b297c 100644
--- a/src/agents/subagent-announce.format.e2e.test.ts
+++ b/src/agents/subagent-announce.format.e2e.test.ts
@@ -190,7 +190,7 @@ vi.mock("./subagent-registry-runtime.js", () => subagentRegistryMock);
 describe("subagent announce formatting", () => {
   let previousFastTestEnv: string | undefined;
   let runSubagentAnnounceFlow: (typeof import("./subagent-announce.js"))["runSubagentAnnounceFlow"];
-  let matrixPlugin: (typeof import("../../extensions/matrix/src/channel.js"))["matrixPlugin"];
+  let matrixPlugin: (typeof import("../../extensions/matrix/index.js"))["matrixPlugin"];
 
   beforeAll(async () => {
     // Set FAST_TEST_MODE before importing the module to ensure the module-level
@@ -199,7 +199,7 @@ describe("subagent announce formatting", () => {
     // See: https://github.com/openclaw/openclaw/issues/31298
     previousFastTestEnv = process.env.OPENCLAW_TEST_FAST;
     process.env.OPENCLAW_TEST_FAST = "1";
-    ({ matrixPlugin } = await import("../../extensions/matrix/src/channel.js"));
+    ({ matrixPlugin } = await import("../../extensions/matrix/index.js"));
     ({ runSubagentAnnounceFlow } = await import("./subagent-announce.js"));
   });
 
diff --git a/src/agents/tools/web-search.test.ts b/src/agents/tools/web-search.test.ts
index 13e6c5358a1..49e149bf934 100644
--- a/src/agents/tools/web-search.test.ts
+++ b/src/agents/tools/web-search.test.ts
@@ -1,8 +1,8 @@
 import { describe, expect, it } from "vitest";
-import { __testing as braveTesting } from "../../../extensions/brave/src/brave-web-search-provider.js";
-import { __testing as moonshotTesting } from "../../../extensions/moonshot/src/kimi-web-search-provider.js";
+import { __testing as braveTesting } from "../../../extensions/brave/test-api.js";
+import { __testing as moonshotTesting } from "../../../extensions/moonshot/test-api.js";
 import { __testing as perplexityTesting } from "../../../extensions/perplexity/web-search-provider.js";
-import { __testing as xaiTesting } from "../../../extensions/xai/src/grok-web-search-provider.js";
+import { __testing as xaiTesting } from "../../../extensions/xai/test-api.js";
 import {
   buildUnsupportedSearchFilterResponse,
   mergeScopedSearchConfig,