refactor: Add telemetry for RBAC (no-changelog) (#8056)

https://linear.app/n8n/issue/PAY-1142

packages/cli/test/integration/role.repository.test.ts

@@ -0,0 +1,37 @@
+import { createAdmin, createMember, createOwner } from './shared/db/users';
+import * as testDb from './shared/testDb';
+import { RoleRepository } from '@/databases/repositories/role.repository';
+import Container from 'typedi';
+
+describe('RoleRepository', () => {
+	let roleRepository: RoleRepository;
+
+	beforeAll(async () => {
+		await testDb.init();
+
+		roleRepository = Container.get(RoleRepository);
+
+		await testDb.truncate(['User']);
+	});
+
+	afterAll(async () => {
+		await testDb.terminate();
+	});
+
+	describe('countUsersByRole()', () => {
+		test('should return the number of users in each role', async () => {
+			await Promise.all([
+				createOwner(),
+				createAdmin(),
+				createAdmin(),
+				createMember(),
+				createMember(),
+				createMember(),
+			]);
+
+			const usersByRole = await roleRepository.countUsersByRole();
+
+			expect(usersByRole).toStrictEqual({ admin: 2, member: 3, owner: 1 });
+		});
+	});
+});