Random upkeep (#454)

* Fix build failures with hack for R.cache 
* Update wordlist for spelling errors
* Make tests run in parallel

DESCRIPTION

@@ -57,6 +57,8 @@ Config/Needs/website:
     dplyr,
     tidyverse/tidytemplate
 Config/testthat/edition: 3
+Config/testthat/parallel: TRUE
+Config/testthat/start-first: knitr-options, venues, reprex
 Encoding: UTF-8
 Language: en-US
 Roxygen: list(markdown = TRUE)

inst/WORDLIST

@@ -111,3 +111,7 @@ workspaces
 www
 xclip
 xsel
+PBC
+RStudio
+mockr
+traceback

tests/testthat/helper.R

@@ -1,3 +1,13 @@
+
+# Work around R.cache bug on CI
+if (getRversion() >= "4.0.0" && identical(Sys.getenv("CI"), "true")) {
+  dir.create(
+    tools::R_user_dir("R.cache", which = "cache"),
+    recursive = TRUE,
+    showWarnings = FALSE
+  )
+}
+
 expect_error_free <- function(...) {
   expect_error(..., regexp = NA)
 }