Fix CRAN submission failures

Author: HughParsonage

.Rbuildignore

@@ -60,3 +60,4 @@
 ^README_files/figure-markdown_github$
 ^README_files//figure-markdown_github/compare-30-37-42-thresholds-1\.svg$
 ^README_files$
+^CRAN-SUBMISSION$

DESCRIPTION

@@ -1,7 +1,7 @@
 Package: grattan
 Type: Package
 Title: Australian Tax Policy Analysis
-Version: 2023.1.0
+Version: 2023.1.1
 Date: 2023-09-04
 Authors@R: c(person("Hugh", "Parsonage", role = c("aut", "cre"), email = "[email protected]"),
               person("Tim", "Cameron", role = "aut"),

cran-comments.md

@@ -7,4 +7,5 @@ NOTES:
 
 Spelling of 'Grattan' and 'indices' are correct
 Previous CRAN failure has been fixed (void in C functions)
+setDTthreads(1) to ensure single-thread ops during testing
 

tests/testthat.R

@@ -1,5 +1,5 @@
 
-all.pkgs <- c("testthat", "data.table", "magrittr", "survey", "zoo")
+all.pkgs <- c("testthat", "data.table", "magrittr", "withr")
 
 
 if (all(vapply(all.pkgs, requireNamespace, logical(1L), quietly = TRUE))) {
@@ -9,7 +9,7 @@ if (all(vapply(all.pkgs, requireNamespace, logical(1L), quietly = TRUE))) {
   library(hutils)
   library(data.table)
   library(magrittr)
-  
+  setDTthreads(1L)
   if (identical(Sys.getenv("CIRCLECI"), "true")) {
     test_check("grattan",
                reporter = JunitReporter$new(file = "junit_result.xml"))