diff --git a/src/browser/server.agent-contract-form-layout-act-commands.test.ts b/src/browser/server.agent-contract-form-layout-act-commands.test.ts
index 20ad4ba73..199673182 100644
--- a/src/browser/server.agent-contract-form-layout-act-commands.test.ts
+++ b/src/browser/server.agent-contract-form-layout-act-commands.test.ts
@@ -128,6 +128,7 @@ vi.mock("./cdp.js", () => ({
   createTargetViaCdp: cdpMocks.createTargetViaCdp,
   normalizeCdpWsUrl: vi.fn((wsUrl: string) => wsUrl),
   snapshotAria: cdpMocks.snapshotAria,
+  getHeadersWithAuth: vi.fn(() => ({})),
 }));
 
 vi.mock("./pw-ai.js", () => pwMocks);
diff --git a/src/browser/server.agent-contract-snapshot-endpoints.test.ts b/src/browser/server.agent-contract-snapshot-endpoints.test.ts
index 622b6e06a..e6add0d32 100644
--- a/src/browser/server.agent-contract-snapshot-endpoints.test.ts
+++ b/src/browser/server.agent-contract-snapshot-endpoints.test.ts
@@ -129,6 +129,7 @@ vi.mock("./cdp.js", () => ({
   createTargetViaCdp: cdpMocks.createTargetViaCdp,
   normalizeCdpWsUrl: vi.fn((wsUrl: string) => wsUrl),
   snapshotAria: cdpMocks.snapshotAria,
+  getHeadersWithAuth: vi.fn(() => ({})),
 }));
 
 vi.mock("./pw-ai.js", () => pwMocks);
diff --git a/src/browser/server.covers-additional-endpoint-branches.test.ts b/src/browser/server.covers-additional-endpoint-branches.test.ts
index d7771e5e0..beee42dee 100644
--- a/src/browser/server.covers-additional-endpoint-branches.test.ts
+++ b/src/browser/server.covers-additional-endpoint-branches.test.ts
@@ -128,6 +128,7 @@ vi.mock("./cdp.js", () => ({
   createTargetViaCdp: cdpMocks.createTargetViaCdp,
   normalizeCdpWsUrl: vi.fn((wsUrl: string) => wsUrl),
   snapshotAria: cdpMocks.snapshotAria,
+  getHeadersWithAuth: vi.fn(() => ({})),
 }));
 
 vi.mock("./pw-ai.js", () => pwMocks);
diff --git a/src/browser/server.post-tabs-open-profile-unknown-returns-404.test.ts b/src/browser/server.post-tabs-open-profile-unknown-returns-404.test.ts
index be1800e7f..055a18a99 100644
--- a/src/browser/server.post-tabs-open-profile-unknown-returns-404.test.ts
+++ b/src/browser/server.post-tabs-open-profile-unknown-returns-404.test.ts
@@ -128,6 +128,7 @@ vi.mock("./cdp.js", () => ({
   createTargetViaCdp: cdpMocks.createTargetViaCdp,
   normalizeCdpWsUrl: vi.fn((wsUrl: string) => wsUrl),
   snapshotAria: cdpMocks.snapshotAria,
+  getHeadersWithAuth: vi.fn(() => ({})),
 }));
 
 vi.mock("./pw-ai.js", () => pwMocks);
diff --git a/src/browser/server.serves-status-starts-browser-requested.test.ts b/src/browser/server.serves-status-starts-browser-requested.test.ts
index c99698ab7..03d4f6d17 100644
--- a/src/browser/server.serves-status-starts-browser-requested.test.ts
+++ b/src/browser/server.serves-status-starts-browser-requested.test.ts
@@ -128,6 +128,7 @@ vi.mock("./cdp.js", () => ({
   createTargetViaCdp: cdpMocks.createTargetViaCdp,
   normalizeCdpWsUrl: vi.fn((wsUrl: string) => wsUrl),
   snapshotAria: cdpMocks.snapshotAria,
+  getHeadersWithAuth: vi.fn(() => ({})),
 }));
 
 vi.mock("./pw-ai.js", () => pwMocks);
diff --git a/src/browser/server.skips-default-maxchars-explicitly-set-zero.test.ts b/src/browser/server.skips-default-maxchars-explicitly-set-zero.test.ts
index a5050298a..aa695fa8c 100644
--- a/src/browser/server.skips-default-maxchars-explicitly-set-zero.test.ts
+++ b/src/browser/server.skips-default-maxchars-explicitly-set-zero.test.ts
@@ -128,6 +128,7 @@ vi.mock("./cdp.js", () => ({
   createTargetViaCdp: cdpMocks.createTargetViaCdp,
   normalizeCdpWsUrl: vi.fn((wsUrl: string) => wsUrl),
   snapshotAria: cdpMocks.snapshotAria,
+  getHeadersWithAuth: vi.fn(() => ({})),
 }));
 
 vi.mock("./pw-ai.js", () => pwMocks);