Convert to testthat 3e (#2426)

Author: hadley

DESCRIPTION

@@ -67,3 +67,4 @@ Encoding: UTF-8
 Language: en-US
 Roxygen: list(markdown = TRUE)
 RoxygenNote: 7.2.0
+Config/testthat/edition: 3

tests/testthat/helper.R

@@ -6,7 +6,9 @@ create_local_package <- function() {
   dir <- file_temp()
 
   withr::defer(envir = parent.frame(), {
-    proj_set(old_project, force = TRUE)
+    usethis::ui_silence({
+      proj_set(old_project, force = TRUE)
+    })
     setwd(old_wd)
     dir_delete(dir)
   })

tests/testthat/test-install.R

@@ -16,7 +16,7 @@ expect_passes_args <- function(fn, stub, input_args = list(), expected_args) {
   mck <- mockery::mock(NULL)
   mockery::stub(fn, stub, mck)
 
-  suppressMessages(do.call(fn, input_args))
+  capture.output(suppressMessages(do.call(fn, input_args)))
 
   mockery::expect_called(mck, 1)
   mock_args <- mockery::mock_args(mck)[[1]]