ci: Refactor cli tests to speed up CI (no-changelog) (#5718)

* ci: Refactor cli tests to speed up CI (no-changelog)

* upgrade jest to address memory leaks

packages/cli/test/unit/Helpers.ts

@@ -1,108 +1,4 @@
-import { LoadNodesAndCredentials } from '@/LoadNodesAndCredentials';
-import {
-	INodeType,
-	INodeTypeData,
-	INodeTypes,
-	IVersionedNodeType,
-	NodeHelpers,
-} from 'n8n-workflow';
-
-// TODO: delete this
-class NodeTypesClass implements INodeTypes {
-	nodeTypes: INodeTypeData = {
-		'test.set': {
-			sourcePath: '',
-			type: {
-				description: {
-					displayName: 'Set',
-					name: 'set',
-					group: ['input'],
-					version: 1,
-					description: 'Sets a value',
-					defaults: {
-						name: 'Set',
-						color: '#0000FF',
-					},
-					inputs: ['main'],
-					outputs: ['main'],
-					properties: [
-						{
-							displayName: 'Value1',
-							name: 'value1',
-							type: 'string',
-							default: 'default-value1',
-						},
-						{
-							displayName: 'Value2',
-							name: 'value2',
-							type: 'string',
-							default: 'default-value2',
-						},
-					],
-				},
-			},
-		},
-		'fake-scheduler': {
-			sourcePath: '',
-			type: {
-				description: {
-					displayName: 'Schedule',
-					name: 'set',
-					group: ['input'],
-					version: 1,
-					description: 'Schedules execuitons',
-					defaults: {
-						name: 'Set',
-						color: '#0000FF',
-					},
-					inputs: ['main'],
-					outputs: ['main'],
-					properties: [
-						{
-							displayName: 'Value1',
-							name: 'value1',
-							type: 'string',
-							default: 'default-value1',
-						},
-						{
-							displayName: 'Value2',
-							name: 'value2',
-							type: 'string',
-							default: 'default-value2',
-						},
-					],
-				},
-				trigger: () => {
-					return Promise.resolve(undefined);
-				},
-			},
-		},
-	};
-
-	constructor(nodesAndCredentials?: LoadNodesAndCredentials) {
-		if (nodesAndCredentials?.loaded?.nodes) {
-			this.nodeTypes = nodesAndCredentials?.loaded?.nodes;
-		}
-	}
-
-	getByName(nodeType: string): INodeType | IVersionedNodeType {
-		return this.nodeTypes[nodeType].type;
-	}
-
-	getByNameAndVersion(nodeType: string, version?: number): INodeType {
-		return NodeHelpers.getVersionedNodeType(this.nodeTypes[nodeType].type, version);
-	}
-}
-
-let nodeTypesInstance: NodeTypesClass | undefined;
-
-export function NodeTypes(nodesAndCredentials?: LoadNodesAndCredentials): NodeTypesClass {
-	if (nodeTypesInstance === undefined) {
-		nodeTypesInstance = new NodeTypesClass(nodesAndCredentials);
-	}
-
-	return nodeTypesInstance;
-}
+import { INodeTypeData } from 'n8n-workflow';
 
 /**
  * Ensure all pending promises settle. The promise's `resolve` is placed in