R CMD Check fixes

Author: topepo

tests/testthat/test_boost_tree_C50.R

@@ -108,7 +108,6 @@ test_that('C5.0 probabilities', {
 test_that('submodel prediction', {
 
   skip_if_not_installed("C50")
-  library(C50)
 
   vars <- c("female", "tenure", "total_charges", "phone_service", "monthly_charges")
   class_fit <-
@@ -121,9 +120,9 @@ test_that('submodel prediction', {
   mp_res <- multi_predict(class_fit, new_data = wa_churn[1:4, vars], trees = 4, type = "prob")
   mp_res <- do.call("rbind", mp_res$.pred)
   expect_equal(mp_res[[".pred_No"]], unname(pred_class[, "No"]))
-  
+
   expect_error(
-    multi_predict(class_fit, newdata = wa_churn[1:4, vars], trees = 4, type = "prob"), 
+    multi_predict(class_fit, newdata = wa_churn[1:4, vars], trees = 4, type = "prob"),
     "Did you mean"
   )
 })