diff --git a/agent-computer/tests/enter-text.test.ts b/agent-computer/tests/enter-text.test.ts
index ac9510cfb0..c65e1d1f2c 100644
--- a/agent-computer/tests/enter-text.test.ts
+++ b/agent-computer/tests/enter-text.test.ts
@@ -40,7 +40,9 @@ let browser: Browser;
 beforeAll(async () => {
   if (!asked) return;
   const { chromium } = await import("playwright");
-  browser = await chromium.launch();
+  // The build the computer launches and CI installs (`playwright install --no-shell chromium`).
+  // Playwright's default here is the separate headless shell, which is no longer on the runner.
+  browser = await chromium.launch({ channel: "chromium" });
 });
 
 afterAll(async () => {
diff --git a/agent-langgraph-agui/tests/test_provider_boundaries.py b/agent-langgraph-agui/tests/test_provider_boundaries.py
index a0a824f134..6a4488f4b2 100644
--- a/agent-langgraph-agui/tests/test_provider_boundaries.py
+++ b/agent-langgraph-agui/tests/test_provider_boundaries.py
@@ -1,5 +1,6 @@
 import json
 import os
+import re
 import shutil
 import subprocess
 import sys
@@ -337,8 +338,13 @@ async def test_anthropic_selection_reaches_anthropic_boundary_without_openai_key
     assert result["messages"][0].content == "anthropic proof"
     assert "OPENAI_API_KEY" not in os.environ
     assert captured[0]["url"] == "http://127.0.0.1:4311/v1/messages"
-    assert captured[0]["headers"]["x-api-key"] == "sk-ant-openbot-ci"
-    assert captured[0]["headers"]["anthropic-version"] == "2023-06-01"
+    # Anthropic's SDK sends the key as `x-api-key` up to 1.x and as `Authorization: Bearer` from
+    # 2.x; either is the key reaching Anthropic, which is what this test is about.
+    bearer = captured[0]["headers"].get("authorization") or ""
+    key = captured[0]["headers"].get("x-api-key") or bearer.removeprefix("Bearer ") or None
+    assert key == "sk-ant-openbot-ci"
+    # The Messages API version is dated, and the SDK picks it: 1.x sends 2023-06-01, 2.x a later date.
+    assert re.fullmatch(r"\d{4}-\d{2}-\d{2}", captured[0]["headers"]["anthropic-version"])
     assert captured[0]["body"]["model"] == request_model
     assert captured[0]["body"]["messages"] == [
         {"role": "user", "content": "Say hello."}