[Azure] Update Batch API (#871)

Author: deyaaeldeen

src/index.ts

@@ -492,7 +492,6 @@ const _deployments_endpoints = new Set([
   '/audio/translations',
   '/audio/speech',
   '/images/generations',
-  '/batches',
 ]);
 
 const API_KEY_SENTINEL = '<Missing Key>';

tests/lib/azure.test.ts

@@ -290,15 +290,15 @@ describe('azure request building', () => {
         fetch: testFetch,
       });
 
-      test('handles Batch', async () => {
+      test('handles batch', async () => {
         expect(
           await client.batches.create({
             completion_window: '24h',
             endpoint: '/v1/chat/completions',
             input_file_id: 'file-id',
           }),
         ).toStrictEqual({
-          url: `https://example.com/openai/deployments/${deployment}/batches?api-version=${apiVersion}`,
+          url: `https://example.com/openai/batches?api-version=${apiVersion}`,
         });
       });
 
@@ -423,7 +423,7 @@ describe('azure request building', () => {
         fetch: testFetch,
       });
 
-      test('Batch is not handled', async () => {
+      test('handles batch', async () => {
         expect(
           await client.batches.create({
             completion_window: '24h',