Update vignette advice for migrating to {testthat} 3e (#2080)

Author: jdblischak

vignettes/parallel.Rmd

@@ -111,11 +111,7 @@ The other built-in reporters all support parallel tests, with some subtle differ
     `ProgressReporter` does not update its display until a test file is complete.
 
 -   The standard output and standard error, i.e. `print()`, `cat()`, `message()`, etc. output from the test files are lost currently.
-    If you want to use `cat()` or `message()` for print-debugging test cases, then the best is to temporarily run tests sequentially, by changing the `Config` entry in `DESCRIPTION` or selecting a non-parallel reporter, e.g. the `CheckReporter`:
-
-    ``` r
-    devtools::test(filter = "badtest", reporter = "check")
-    ```
+    If you want to use `cat()` or `message()` for print-debugging test cases, then the best is to temporarily run tests sequentially, by changing the `Config` entry in `DESCRIPTION` or setting `Sys.setenv(TESTTHAT_PARALLEL = "false")`.
 
 ### Writing parallel reporters
 

vignettes/third-edition.Rmd

@@ -82,7 +82,6 @@ Most of these functions have not been recommended for a number of years, but bef
     This was an overly clever API that I regretted even before the release of testthat 1.0.0.
 
 -   `expect_equivalent()` has been deprecated since it is now equivalent (HA HA) to `expect_equal(ignore_attr = TRUE)`.
-    The main difference is that it won't ignore names; so you'll need an explicit `unname()` if you deliberately want to ignore names.
 
 -   `setup()` and `teardown()` are deprecated in favour of test fixtures.
     See `vignette("test-fixtures")` for details.