license import { Tree } from '@angular-devkit/schematics' ; import { SchematicTestRunner , UnitTestTree } from '@angular-devkit/schematics/testing' ; import { createTestProject } from './test-project' ; /** Create a base library used for testing. */ export async function createTestLibrary ( runner , appOptions = { } , tree ? ) { return createTestProject ( runner , 'library' , appOptions , tree ) ; }