diff --git a/extensions/msteams/src/graph-messages.search.test.ts b/extensions/msteams/src/graph-messages.search.test.ts
index 2b4dc7bcbb85..832f5eb7b6b1 100644
--- a/extensions/msteams/src/graph-messages.search.test.ts
+++ b/extensions/msteams/src/graph-messages.search.test.ts
@@ -17,6 +17,18 @@ beforeAll(async () => {
   ({ searchMessagesMSTeams } = await loadGraphMessagesTestModule());
 });
 
+function readFirstGraphPath(): string {
+  const [call] = mockState.fetchGraphJson.mock.calls;
+  if (!call) {
+    throw new Error("Expected Graph fetch call");
+  }
+  const [request] = call;
+  if (!request || typeof request !== "object" || typeof request.path !== "string") {
+    throw new Error("Expected Graph fetch request path");
+  }
+  return request.path;
+}
+
 describe("searchMessagesMSTeams", () => {
   it("searches chat messages with query string", async () => {
     mockState.fetchGraphJson.mockResolvedValue({
@@ -44,7 +56,7 @@ describe("searchMessagesMSTeams", () => {
         createdAt: "2026-03-25T10:00:00Z",
       },
     ]);
-    const calledPath = mockState.fetchGraphJson.mock.calls[0][0].path as string;
+    const calledPath = readFirstGraphPath();
     expect(calledPath).toContain(`/chats/${encodeURIComponent(CHAT_ID)}/messages?`);
     expect(calledPath).toContain("$search=");
     expect(calledPath).toContain("$top=25");
@@ -71,7 +83,7 @@ describe("searchMessagesMSTeams", () => {
     });
 
     expect(result.messages).toHaveLength(1);
-    const calledPath = mockState.fetchGraphJson.mock.calls[0][0].path as string;
+    const calledPath = readFirstGraphPath();
     expect(calledPath).toContain("/teams/team-id-1/channels/channel-id-1/messages?");
   });
 
@@ -85,7 +97,7 @@ describe("searchMessagesMSTeams", () => {
       limit: 10,
     });
 
-    const calledPath = mockState.fetchGraphJson.mock.calls[0][0].path as string;
+    const calledPath = readFirstGraphPath();
     expect(calledPath).toContain("$top=10");
   });
 
@@ -99,7 +111,7 @@ describe("searchMessagesMSTeams", () => {
       limit: 100,
     });
 
-    const calledPath = mockState.fetchGraphJson.mock.calls[0][0].path as string;
+    const calledPath = readFirstGraphPath();
     expect(calledPath).toContain("$top=50");
   });
 
@@ -113,7 +125,7 @@ describe("searchMessagesMSTeams", () => {
       limit: 0,
     });
 
-    const calledPath = mockState.fetchGraphJson.mock.calls[0][0].path as string;
+    const calledPath = readFirstGraphPath();
     expect(calledPath).toContain("$top=1");
   });
 
@@ -127,7 +139,7 @@ describe("searchMessagesMSTeams", () => {
       from: "Alice",
     });
 
-    const calledPath = mockState.fetchGraphJson.mock.calls[0][0].path as string;
+    const calledPath = readFirstGraphPath();
     expect(calledPath).toContain("$filter=");
     const decoded = decodeURIComponent(calledPath);
     expect(decoded).toContain("from/user/displayName eq 'Alice'");
@@ -143,7 +155,7 @@ describe("searchMessagesMSTeams", () => {
       from: "O'Brien",
     });
 
-    const calledPath = mockState.fetchGraphJson.mock.calls[0][0].path as string;
+    const calledPath = readFirstGraphPath();
     const decoded = decodeURIComponent(calledPath);
     expect(decoded).toContain("O''Brien");
   });
@@ -157,7 +169,7 @@ describe("searchMessagesMSTeams", () => {
       query: 'say "hello" world',
     });
 
-    const calledPath = mockState.fetchGraphJson.mock.calls[0][0].path as string;
+    const calledPath = readFirstGraphPath();
     const decoded = decodeURIComponent(calledPath);
     expect(decoded).toContain('$search="say hello world"');
     expect(decoded).not.toContain('""');
@@ -207,7 +219,7 @@ describe("searchMessagesMSTeams", () => {
     });
 
     expect(mockState.findPreferredDmByUserId).toHaveBeenCalledWith("aad-user-1");
-    const calledPath = mockState.fetchGraphJson.mock.calls[0][0].path as string;
+    const calledPath = readFirstGraphPath();
     expect(calledPath).toContain(
       `/chats/${encodeURIComponent("19:dm-chat@thread.tacv2")}/messages?`,
     );