diff --git a/src/agents/openai-transport-stream.test.ts b/src/agents/openai-transport-stream.test.ts
index bc25eaf614e..42e38dda375 100644
--- a/src/agents/openai-transport-stream.test.ts
+++ b/src/agents/openai-transport-stream.test.ts
@@ -348,7 +348,6 @@ describe("openai transport stream", () => {
   });
 
   it("passes provider request timeouts to OpenAI SDK clients", () => {
-    const context = { systemPrompt: "system", messages: [], tools: [] } as never;
     const requestTimeoutMs = 900_000;
 
     const responsesModel = {
@@ -376,24 +375,9 @@ describe("openai transport stream", () => {
       reasoning: false,
     } satisfies Model<"openai-completions"> & { requestTimeoutMs: number };
 
-    expect(
-      (
-        __testing.createOpenAIResponsesClient(responsesModel, context, "test-key") as {
-          timeout: number;
-        }
-      ).timeout,
-    ).toBe(requestTimeoutMs);
-    expect(
-      (__testing.createAzureOpenAIClient(azureModel, context, "test-key") as { timeout: number })
-        .timeout,
-    ).toBe(requestTimeoutMs);
-    expect(
-      (
-        __testing.createOpenAICompletionsClient(completionsModel, context, "test-key") as {
-          timeout: number;
-        }
-      ).timeout,
-    ).toBe(requestTimeoutMs);
+    expect(__testing.buildOpenAISdkClientOptions(responsesModel).timeout).toBe(requestTimeoutMs);
+    expect(__testing.buildOpenAISdkClientOptions(azureModel).timeout).toBe(requestTimeoutMs);
+    expect(__testing.buildOpenAISdkClientOptions(completionsModel).timeout).toBe(requestTimeoutMs);
   });
 
   it("passes provider request timeouts to OpenAI SDK per-request options", () => {
diff --git a/src/agents/openai-transport-stream.ts b/src/agents/openai-transport-stream.ts
index c966ca3c1ff..39f090ccd81 100644
--- a/src/agents/openai-transport-stream.ts
+++ b/src/agents/openai-transport-stream.ts
@@ -1869,6 +1869,7 @@ function mapStopReason(reason: string | null) {
 }
 
 export const __testing = {
+  buildOpenAISdkClientOptions,
   buildOpenAISdkRequestOptions,
   createAzureOpenAIClient,
   createOpenAICompletionsClient,