import hilog from '@ohos.hilog';import { describe, beforeAll, beforeEach, afterEach, afterAll, it, expect } from '@ohos/hypium'export default function abilityTest() { describe('ActsAbilityTest', function () { it('assertContain',0, function () { // Defines a test case. This API supports three parameters: test case name, filter parameter, and test case function. hilog.info(0x0000, 'testTag', '%{public}s', 'it begin'); let a = 'abc' let b = 'b' // Defines a variety of assertion methods, which are used to declare expected boolean conditions. expect(a).assertContain(b) expect(a).assertEqual(a) }) })}