### Question:
PipelineParamsPagePresenter implements WizardPage { @Override public void prepareView() { pipelineParamsForm.prepareView(); } @Inject  PipelineParamsPagePresenter(final View view,
                                       final Event<WizardPageStatusChangeEvent> wizardPageStatusChangeEvent); @PostConstruct void init(); void setPipelineParamsForm(final PipelineParamsForm pipelineParamsForm); @Override void initialise(); @Override void prepareView(); @Override void isComplete(final Callback<Boolean> callback); @Override String getTitle(); @Override Widget asWidget();  }### Answer:
@Test public void testPrepareView() { presenter.setPipelineParamsForm(paramsForm); presenter.prepareView(); verify(paramsForm, times(1)).prepareView(); }