How to use the powerbi-models.validateFilter function in powerbi-models

reportLoad: jasmine.createSpy("reportLoad").and.returnValue(Promise.resolve(null)),
  validateReportLoad: jasmine.createSpy("validateReportLoad").and.callFake(models.validateReportLoad),
  render: jasmine.createSpy("render").and.returnValue(Promise.resolve(null)),
  // Settings
  updateSettings: jasmine.createSpy("updateSettings").and.returnValue(Promise.resolve(null)),
  validateSettings: jasmine.createSpy("validateSettings").and.callFake(models.validateSettings),
  // Pages
  getPages: jasmine.createSpy("getPages").and.returnValue(Promise.resolve(null)),
  setPage: jasmine.createSpy("setPage").and.returnValue(Promise.resolve(null)),
  validatePage: jasmine.createSpy("validatePage").and.returnValue(Promise.resolve(null)),
  // Visuals
  validateVisual: jasmine.createSpy("validateVisual").and.returnValue(Promise.resolve(null)),
  // Filters
  getFilters: jasmine.createSpy("getFilters").and.returnValue(Promise.resolve(null)),
  setFilters: jasmine.createSpy("setFilters").and.returnValue(Promise.resolve(null)),
  validateFilter: jasmine.createSpy("validateFilter").and.callFake(models.validateFilter),
  // Other
  print: jasmine.createSpy("print").and.returnValue(Promise.resolve(null)),
  refreshData: jasmine.createSpy("refreshData").and.returnValue(Promise.resolve(null)),
  exportData: jasmine.createSpy("exportData").and.returnValue(Promise.resolve(null)),
  validateCreateReport: jasmine.createSpy("validateCreateReport").and.callFake(models.validateCreateReport),
  switchMode: jasmine.createSpy("switchMode").and.returnValue(Promise.resolve(null)),
  save: jasmine.createSpy("save").and.returnValue(Promise.resolve(null)),
  saveAs: jasmine.createSpy("saveAs").and.returnValue(Promise.resolve(null)),
  setAccessToken: jasmine.createSpy("setAccessToken").and.returnValue(Promise.resolve(null)),

  reset() {
    mockAppSpyObj.dashboardLoad.calls.reset();
    mockAppSpyObj.validateDashboardLoad.calls.reset();
    mockAppSpyObj.reportLoad.calls.reset();
    mockAppSpyObj.validateReportLoad.calls.reset();
    mockAppSpyObj.updateSettings.calls.reset();

reportLoad: jasmine.createSpy("reportLoad").and.returnValue(Promise.resolve(null)),
  validateReportLoad: jasmine.createSpy("validateReportLoad").and.callFake(models.validateReportLoad),
  // Settings
  updateSettings: jasmine.createSpy("updateSettings").and.returnValue(Promise.resolve(null)),
  validateSettings: jasmine.createSpy("validateSettings").and.callFake(models.validateSettings),
  // Pages
  getPages: jasmine.createSpy("getPages").and.returnValue(Promise.resolve(null)),
  setPage: jasmine.createSpy("setPage").and.returnValue(Promise.resolve(null)),
  validatePage: jasmine.createSpy("validatePage").and.returnValue(Promise.resolve(null)),
  // Visuals
  getVisuals: jasmine.createSpy("getVisuals").and.returnValue(Promise.resolve(null)),
  validateVisual: jasmine.createSpy("validateVisual").and.returnValue(Promise.resolve(null)),
  // Filters
  getFilters: jasmine.createSpy("getFilters").and.returnValue(Promise.resolve(null)),
  setFilters: jasmine.createSpy("setFilters").and.returnValue(Promise.resolve(null)),
  validateFilter: jasmine.createSpy("validateFilter").and.callFake(models.validateFilter),
  // Other
  print: jasmine.createSpy("print").and.returnValue(Promise.resolve(null)),
  refreshData: jasmine.createSpy("refreshData").and.returnValue(Promise.resolve(null)),
  exportData: jasmine.createSpy("exportData").and.returnValue(Promise.resolve(null)),

  reset() {
    mockAppSpyObj.dashboardLoad.calls.reset();
    mockAppSpyObj.validateDashboardLoad.calls.reset();
    mockAppSpyObj.reportLoad.calls.reset();
    mockAppSpyObj.validateReportLoad.calls.reset();
    mockAppSpyObj.updateSettings.calls.reset();
    mockAppSpyObj.validateSettings.calls.reset();
    mockAppSpyObj.getPages.calls.reset();
    mockAppSpyObj.setPage.calls.reset();
    mockAppSpyObj.validatePage.calls.reset();
    mockAppSpyObj.getVisuals.calls.reset();