message: Add missing module dependency
diff: @@ -28,6 +28,7 @@ import { SocketIoService } from '../Services/socket-io.service'
  import { ChallengeStatusBadgeComponent } from '../challenge-status-badge/challenge-status-badge.component'
  import { MatSnackBarModule } from '@angular/material/snack-bar'
  import { MatChipsModule } from '@angular/material/chips'
  +import { MatDialogModule } from '@angular/material/dialog'
  class MockSocket {
  on (str: string, callback: Function) {
  @@ -79,7 +80,8 @@ describe('ScoreBoardComponent', () => {
  MatButtonToggleModule,
  MatIconModule,
  MatSnackBarModule,
  - MatChipsModule
  + MatChipsModule,
  + MatDialogModule
  ],
  declarations: [ScoreBoardComponent, ChallengeStatusBadgeComponent],
  providers: [
  