message: Fix number of arguments
diff: @@ -161,7 +161,7 @@ describe('ScoreBoardComponent', () => {
  })
  it('should return an empty array if challenges has a falsy value while filtering datasource', () => {
  - let value = component.filterToDataSource(null,null,null)
  + let value = component.filterToDataSource(null)
  expect(value).toEqual([])
  })
  