fix: Revert AI nodes batching (#15129)

packages/@n8n/nodes-langchain/nodes/chains/ChainRetrievalQA/test/ChainRetrievalQa.node.test.ts

@@ -8,11 +8,6 @@ import { NodeConnectionTypes, NodeOperationError, UnexpectedError } from 'n8n-wo
 
 import { ChainRetrievalQa } from '../ChainRetrievalQa.node';
 
-jest.mock('n8n-workflow', () => ({
-	...jest.requireActual('n8n-workflow'),
-	sleep: jest.fn(),
-}));
-
 const createExecuteFunctionsMock = (
 	parameters: IDataObject,
 	fakeLlm: BaseLanguageModel,
@@ -85,12 +80,7 @@ describe('ChainRetrievalQa', () => {
 			const params = {
 				promptType: 'define',
 				text: 'What is the capital of France?',
-				options: {
-					batching: {
-						batchSize: 1,
-						delayBetweenBatches: 100,
-					},
-				},
+				options: {},
 			};
 
 			const result = await node.execute.call(
@@ -124,12 +114,7 @@ describe('ChainRetrievalQa', () => {
 			const params = {
 				promptType: 'define',
 				text: 'What is the capital of France?',
-				options: {
-					batching: {
-						batchSize: 1,
-						delayBetweenBatches: 100,
-					},
-				},
+				options: {},
 			};
 
 			const result = await node.execute.call(
@@ -173,10 +158,6 @@ describe('ChainRetrievalQa', () => {
 				text: 'What is the capital of France?',
 				options: {
 					systemPromptTemplate: customSystemPrompt,
-					batching: {
-						batchSize: 1,
-						delayBetweenBatches: 100,
-					},
 				},
 			};
 
@@ -204,12 +185,7 @@ describe('ChainRetrievalQa', () => {
 			const params = {
 				promptType: 'define',
 				text: undefined, // undefined query
-				options: {
-					batching: {
-						batchSize: 1,
-						delayBetweenBatches: 100,
-					},
-				},
+				options: {},
 			};
 
 			await expect(
@@ -235,12 +211,7 @@ describe('ChainRetrievalQa', () => {
 			const params = {
 				promptType: 'define',
 				text: 'What is the capital of France?',
-				options: {
-					batching: {
-						batchSize: 1,
-						delayBetweenBatches: 100,
-					},
-				},
+				options: {},
 			};
 
 			// Override continueOnFail to return true