test: Add core entry points to allow easier test setup (#18597)

packages/testing/playwright/services/project-api-helper.ts

@@ -0,0 +1,30 @@
+import { nanoid } from 'nanoid';
+
+import type { ApiHelpers } from './api-helper';
+import { TestError } from '../Types';
+
+export class ProjectApiHelper {
+	constructor(private api: ApiHelpers) {}
+
+	/**
+	 * Create a new project with a unique name
+	 * @param projectName Optional base name for the project. If not provided, generates a default name.
+	 * @returns The created project data
+	 */
+	async createProject(projectName?: string) {
+		const uniqueName = projectName ? `${projectName} (${nanoid(8)})` : `Test Project ${nanoid(8)}`;
+
+		const response = await this.api.request.post('/rest/projects', {
+			data: {
+				name: uniqueName,
+			},
+		});
+
+		if (!response.ok()) {
+			throw new TestError(`Failed to create project: ${await response.text()}`);
+		}
+
+		const result = await response.json();
+		return result.data ?? result;
+	}
+}