```typescript
// Fluent ATF Test
import { Test } from '@servicenow/sdk/core'
import '@servicenow/sdk-core/global'
Test({
  $id: Now.ID['test_1_123456'],
  name: 'Dashboard Sharing Test',
  description: 'Test to impersonate itil, share a dashboard, and assert it is shared',
  active: true,
  failOnServerError: true
}, (atf) => {
  atf.server.impersonate({
    $id: 'step_1_abcdef',
    user: "3988a3ca732023002728660c4cf6a757",
  })
  atf.responsiveDashboard.responsiveDashboardSharing({
    $id: 'step_2_ghijkl',
    dashboard: "",
    assert: 'can_share_dashboard',
  })
  atf.server.log({
    $id: 'step_3_mnopqr',
    log: 'dashboard shared',
  })
})
```