# Unit tests for get_rosters function # Test 1: Invalid league ID returns nothing and informs user test_that("Invalid league ID informs user", { expect_message(get_rosters(-777), "League ID did not return any results. Did you enter the league ID correctly?") }) # Test 2: Valid league ID returns a data frame test_that("Valid league ID returns a data frame", { expect_equal(class(get_rosters(688281863499907072)), "data.frame") })