fix(GraphQL Node): Fix request format JSON error (#8646)

packages/nodes-base/nodes/GraphQL/test/GraphQL.node.test.ts

@@ -0,0 +1,54 @@
+import type { WorkflowTestData } from '@test/nodes/types';
+import { executeWorkflow } from '@test/nodes/ExecuteWorkflow';
+import * as Helpers from '@test/nodes/Helpers';
+
+describe('GraphQL Node', () => {
+	const mockResponse = {
+		data: {
+			nodes: {},
+		},
+	};
+
+	const tests: WorkflowTestData[] = [
+		{
+			description: 'should run Request Format JSON',
+			input: {
+				workflowData: Helpers.readJsonFileSync('nodes/GraphQL/test/workflow.json'),
+			},
+			output: {
+				nodeExecutionOrder: ['Start'],
+				nodeData: {
+					'Fetch Request Format JSON': [
+						[
+							{
+								json: mockResponse,
+							},
+						],
+					],
+				},
+			},
+			nock: {
+				baseUrl: 'https://api.n8n.io',
+				mocks: [
+					{
+						method: 'post',
+						path: '/graphql',
+						statusCode: 200,
+						responseBody: mockResponse,
+					},
+				],
+			},
+		},
+	];
+
+	const nodeTypes = Helpers.setup(tests);
+
+	test.each(tests)('$description', async (testData) => {
+		const { result } = await executeWorkflow(testData, nodeTypes);
+		const resultNodeData = Helpers.getResultNodeData(result, testData);
+		resultNodeData.forEach(({ nodeName, resultData }) =>
+			expect(resultData).toEqual(testData.output.nodeData[nodeName]),
+		);
+		expect(result.finished).toEqual(true);
+	});
+});