Why could the test be failing? A developer wrote a Visualforce page for Sales Reps to add products to an order. The page takes a URL query parameter, product family, which filters the product results. The test method for the filter behavior has an assertion failure due to an incorrect number of results.
A. The test does not call Test.startTest() B. The test does not create product data. C. The test is not run by a System Administrator. D. The test does not set the current page reference.