diff --git a/extensions/google/embedding-provider.test.ts b/extensions/google/embedding-provider.test.ts
index 2f235744412..0519ea1e406 100644
--- a/extensions/google/embedding-provider.test.ts
+++ b/extensions/google/embedding-provider.test.ts
@@ -37,6 +37,14 @@ function fetchJsonBody(fetchMock: ReturnType<typeof vi.fn>, index: number): unkn
   return JSON.parse(body) as unknown;
 }
 
+function requireFirstFetchInput(fetchMock: ReturnType<typeof vi.fn>): RequestInfo | URL {
+  const [call] = fetchMock.mock.calls;
+  if (!call) {
+    throw new Error("expected Gemini embedding fetch call");
+  }
+  return call[0] as RequestInfo | URL;
+}
+
 describe("Gemini embedding request helpers", () => {
   it("builds requests and resolves model settings", () => {
     expect(
@@ -153,7 +161,7 @@ describe("Gemini embedding provider", () => {
       [0, 0, 1],
     ]);
 
-    expect(fetchMock.mock.calls[0]?.[0]).toBe(
+    expect(requireFirstFetchInput(fetchMock)).toBe(
       "https://generativelanguage.googleapis.com/v1beta/models/gemini-embedding-2-preview:embedContent",
     );
     expect(fetchJsonBody(fetchMock, 0)).toEqual({
diff --git a/extensions/google/transport-stream.test.ts b/extensions/google/transport-stream.test.ts
index 2d93c7adb91..6a1bba3ad5f 100644
--- a/extensions/google/transport-stream.test.ts
+++ b/extensions/google/transport-stream.test.ts
@@ -398,13 +398,19 @@ describe("google transport stream", () => {
 
     expect(result.content).toEqual([{ type: "text", text: "recovered" }]);
     expect(guardedFetchMock).toHaveBeenCalledTimes(2);
-    const firstBody = JSON.parse(guardedFetchMock.mock.calls[0]?.[1]?.body as string);
-    const retryBody = JSON.parse(guardedFetchMock.mock.calls[1]?.[1]?.body as string);
-    expect(firstBody.generationConfig.thinkingConfig).toEqual({
+    const firstBody = parseRequestJsonBody(
+      requireRequestInit(requireMockCall(guardedFetchMock, 0, "guarded fetch"), "guarded fetch"),
+    );
+    const retryBody = parseRequestJsonBody(
+      requireRequestInit(requireMockCall(guardedFetchMock, 1, "guarded fetch"), "guarded fetch"),
+    );
+    const firstGenerationConfig = requireGenerationConfig(firstBody);
+    const retryGenerationConfig = requireGenerationConfig(retryBody);
+    expect(firstGenerationConfig.thinkingConfig).toEqual({
       includeThoughts: true,
       thinkingLevel: "HIGH",
     });
-    expect(retryBody.generationConfig.thinkingConfig).toEqual({
+    expect(retryGenerationConfig.thinkingConfig).toEqual({
       thinkingLevel: "LOW",
     });
     expect(retryBody.tools).toEqual(firstBody.tools);
diff --git a/extensions/google/video-generation-provider.test.ts b/extensions/google/video-generation-provider.test.ts
index a20baa933f7..2dbc6fd2fc6 100644
--- a/extensions/google/video-generation-provider.test.ts
+++ b/extensions/google/video-generation-provider.test.ts
@@ -37,7 +37,11 @@ type MockWithCalls = {
 };
 
 function firstObjectArg(mock: MockWithCalls): Record<string, unknown> {
-  const value = mock.mock.calls[0]?.[0];
+  const [call] = mock.mock.calls;
+  if (!call) {
+    throw new Error("expected first mock call to receive an object argument");
+  }
+  const value = call[0];
   if (value === undefined || value === null || typeof value !== "object" || Array.isArray(value)) {
     throw new Error("expected first mock call to receive an object argument");
   }
@@ -55,6 +59,37 @@ function firstGoogleClientHttpOptions(): Record<string, unknown> {
   return recordField(firstObjectArg(createGoogleGenAIMock).httpOptions, "httpOptions");
 }
 
+function requireFetchCall(
+  fetchMock: ReturnType<typeof vi.fn>,
+  index: number,
+): [RequestInfo | URL, RequestInit | undefined] {
+  const call = fetchMock.mock.calls[index];
+  if (!call) {
+    throw new Error(`expected Google video fetch call ${index}`);
+  }
+  return call as [RequestInfo | URL, RequestInit | undefined];
+}
+
+function parseFetchJsonBody(fetchMock: ReturnType<typeof vi.fn>, index: number): unknown {
+  const [, init] = requireFetchCall(fetchMock, index);
+  const body = init?.body;
+  if (typeof body !== "string") {
+    throw new Error(`expected Google video fetch body ${index}`);
+  }
+  return JSON.parse(body) as unknown;
+}
+
+function fetchInputUrl(fetchMock: ReturnType<typeof vi.fn>, index: number): string {
+  const [input] = requireFetchCall(fetchMock, index);
+  if (typeof input === "string") {
+    return input;
+  }
+  if (input instanceof URL) {
+    return input.toString();
+  }
+  return input.url;
+}
+
 let ssrfMock: { mockRestore: () => void } | undefined;
 
 describe("google video generation provider", () => {
@@ -308,14 +343,14 @@ describe("google video generation provider", () => {
     });
 
     expect(fetchMock).toHaveBeenCalledTimes(2);
-    expect(String(fetchMock.mock.calls[0]?.[0])).toBe(
+    expect(fetchInputUrl(fetchMock, 0)).toBe(
       "https://generativelanguage.googleapis.com/v1beta/models/veo-3.1-fast-generate-preview:predictLongRunning",
     );
-    expect(JSON.parse(String(fetchMock.mock.calls[0]?.[1]?.body))).toEqual({
+    expect(parseFetchJsonBody(fetchMock, 0)).toEqual({
       instances: [{ prompt: "A tiny robot watering a windowsill garden" }],
       parameters: { durationSeconds: 4 },
     });
-    expect(String(fetchMock.mock.calls[1]?.[0])).toBe(
+    expect(fetchInputUrl(fetchMock, 1)).toBe(
       "https://generativelanguage.googleapis.com/v1beta/files/rest-video:download?alt=media&key=google-key",
     );
     expect(downloadMock).not.toHaveBeenCalled();
diff --git a/extensions/google/web-search-provider.test.ts b/extensions/google/web-search-provider.test.ts
index b5f15e821b8..e0b292efd24 100644
--- a/extensions/google/web-search-provider.test.ts
+++ b/extensions/google/web-search-provider.test.ts
@@ -38,13 +38,23 @@ function createGoogleModelProviderConfig(
   };
 }
 
+function requireFirstGeminiFetchCall(
+  mockFetch: ReturnType<typeof installGeminiFetch>,
+): [RequestInfo | URL | undefined, RequestInit | undefined] {
+  const [call] = mockFetch.mock.calls;
+  if (!call) {
+    throw new Error("expected Gemini web search fetch call");
+  }
+  return call as [RequestInfo | URL | undefined, RequestInit | undefined];
+}
+
 function getFetchHeaders(mockFetch: ReturnType<typeof installGeminiFetch>): Record<string, string> {
-  const init = mockFetch.mock.calls[0]?.[1] as { headers?: Record<string, string> } | undefined;
-  return init?.headers ?? {};
+  const [, init] = requireFirstGeminiFetchCall(mockFetch);
+  return (init?.headers as Record<string, string> | undefined) ?? {};
 }
 
 function getGeminiFetchUrl(mockFetch: ReturnType<typeof installGeminiFetch>): string | undefined {
-  const input = mockFetch.mock.calls[0]?.[0];
+  const [input] = requireFirstGeminiFetchCall(mockFetch);
   if (typeof input === "string") {
     return input;
   }
@@ -57,7 +67,8 @@ function getGeminiFetchUrl(mockFetch: ReturnType<typeof installGeminiFetch>): st
 function parseGeminiFetchBody(mockFetch: ReturnType<typeof installGeminiFetch>): {
   tools?: Array<{ google_search?: { timeRangeFilter?: unknown } }>;
 } {
-  const body = mockFetch.mock.calls[0]?.[1]?.body;
+  const [, init] = requireFirstGeminiFetchCall(mockFetch);
+  const body = init?.body;
   if (typeof body !== "string") {
     throw new Error("Expected Gemini fetch body string");
   }
@@ -179,7 +190,7 @@ describe("google web search provider", () => {
 
     await tool?.execute({ query: "OpenClaw docs" }, { signal: controller.signal });
 
-    const init = mockFetch.mock.calls[0]?.[1] as { signal?: AbortSignal } | undefined;
+    const [, init] = requireFirstGeminiFetchCall(mockFetch);
     expect(init?.signal?.aborted).toBe(true);
   });