diff --git a/tests/unit/chatcore-translation-paths.test.mjs b/tests/unit/chatcore-translation-paths.test.mjs
index 5d1f849580..dbb33677af 100644
--- a/tests/unit/chatcore-translation-paths.test.mjs
+++ b/tests/unit/chatcore-translation-paths.test.mjs
@@ -806,7 +806,7 @@ test("chatCore refreshes GitHub credentials after 401 and retries with the refre
       refreshedCredentials = updated;
     },
     responseFactory(captured, seenCalls) {
-      if (captured.url.includes("https://api.github.com/copilot_internal/v2/token")) {
+      if (captured.url.startsWith("https://api.github.com/copilot_internal/v2/token")) {
         return new Response(
           JSON.stringify({
             token: "copilot-refreshed-token",
@@ -820,7 +820,7 @@ test("chatCore refreshes GitHub credentials after 401 and retries with the refre
       }
 
       const providerCalls = seenCalls.filter((entry) =>
-        entry.url.includes("https://api.githubcopilot.com/")
+        entry.url.startsWith("https://api.githubcopilot.com/")
       );
       if (providerCalls.length === 1) {
         return new Response(
@@ -839,7 +839,7 @@ test("chatCore refreshes GitHub credentials after 401 and retries with the refre
   });
 
   const payload = await result.response.json();
-  const providerCalls = calls.filter((entry) => entry.url.includes("https://api.githubcopilot.com/"));
+  const providerCalls = calls.filter((entry) => entry.url.startsWith("https://api.githubcopilot.com/"));
 
   assert.equal(result.success, true);
   assert.equal(providerCalls.length, 2);