Add library(qtl2) in a couple of local tests

Author: kbroman

tests/testthat/test-cross2_do_to_genail8.R

@@ -3,6 +3,8 @@ context("cross2_do_to_genail")
 test_that("cross2_do_to_genail works", {
     if(isnt_karl()) skip("this test only run locally")
 
+    library(qtl2)
+
     file <- paste0("https://raw.githubusercontent.com/rqtl/",
                    "qtl2data/master/DOex/DOex.zip")
     DOex <- read_cross2(file)

tests/testthat/test-probs_doqtl_to_qtl2.R

@@ -35,6 +35,8 @@ test_that("probs_doqtl_to_qtl2 works", {
 test_that("probs convert between DOQTL and R/qtl2", {
     if(isnt_karl()) skip("this test only run locally")
 
+    library(qtl2)
+
     file <- paste0("https://raw.githubusercontent.com/rqtl/",
                    "qtl2data/master/DOex/DOex.zip")
     DOex <- read_cross2(file)