diff --git a/tests/testthat.R b/tests/testthat.R
index 66e2f55..d8470e7 100644
--- a/tests/testthat.R
+++ b/tests/testthat.R
@@ -3,42 +3,42 @@ library(NACHO)
 
 # setwd("tests")
 
-if (!identical(Sys.getenv("NOT_CRAN"), "true")) return()
+if (identical(Sys.getenv("NOT_CRAN"), "true")) {
+  rcc_files_directory <- "testthat/plexset_data"
+  plexset_files <- list.files(rcc_files_directory, full.names = TRUE, pattern = "\\.RCC")
+  plexset_tidy <- data.frame(stringsAsFactors = FALSE,
+    name = basename(plexset_files),
+    datapath = plexset_files,
+    IDFILE = basename(plexset_files),
+    plexset_id = rep(paste0("S", seq_len(8)), each = length(plexset_files))
+  )
+  plexset_nacho <- load_rcc(
+    data_directory = rcc_files_directory,
+    ssheet_csv = plexset_tidy,
+    id_colname = "IDFILE"
+  )
 
-rcc_files_directory <- "testthat/plexset_data"
-plexset_files <- list.files(rcc_files_directory, full.names = TRUE, pattern = "\\.RCC")
-plexset_tidy <- data.frame(stringsAsFactors = FALSE,
-  name = basename(plexset_files),
-  datapath = plexset_files,
-  IDFILE = basename(plexset_files),
-  plexset_id = rep(paste0("S", seq_len(8)), each = length(plexset_files))
-)
-plexset_nacho <- load_rcc(
-  data_directory = rcc_files_directory,
-  ssheet_csv = plexset_tidy,
-  id_colname = "IDFILE"
-)
+  rcc_files_directory <- "testthat/salmon_data"
+  salmon_files <- list.files(rcc_files_directory, full.names = TRUE, pattern = "\\.RCC")
+  salmon_tidy <- data.frame(stringsAsFactors = FALSE,
+    name = basename(salmon_files),
+    datapath = salmon_files,
+    IDFILE = basename(salmon_files),
+    plexset_id = rep(paste0("S", seq_len(8)), each = length(salmon_files))
+  )
+  salmon_nacho <- load_rcc(
+    data_directory = rcc_files_directory,
+    ssheet_csv = salmon_tidy,
+    id_colname = "IDFILE"
+  )
 
-rcc_files_directory <- "testthat/salmon_data"
-salmon_files <- list.files(rcc_files_directory, full.names = TRUE, pattern = "\\.RCC")
-salmon_tidy <- data.frame(stringsAsFactors = FALSE,
-  name = basename(salmon_files),
-  datapath = salmon_files,
-  IDFILE = basename(salmon_files),
-  plexset_id = rep(paste0("S", seq_len(8)), each = length(salmon_files))
-)
-salmon_nacho <- load_rcc(
-  data_directory = rcc_files_directory,
-  ssheet_csv = salmon_tidy,
-  id_colname = "IDFILE"
-)
+  rcc_files_directory <- "testthat"
+  plexset_salmon_tidy <- data.frame(stringsAsFactors = FALSE,
+    name = list.files(rcc_files_directory, pattern = "\\.RCC", recursive = TRUE),
+    datapath = list.files(rcc_files_directory, full.names = TRUE, pattern = "\\.RCC", recursive = TRUE),
+    IDFILE = basename(list.files(rcc_files_directory, full.names = TRUE, pattern = "\\.RCC", recursive = TRUE)),
+    plexset_id = rep(paste0("S", seq_len(8)), each = length(list.files(rcc_files_directory, pattern = "\\.RCC", recursive = TRUE)))
+  )
 
-rcc_files_directory <- "testthat"
-plexset_salmon_tidy <- data.frame(stringsAsFactors = FALSE,
-  name = list.files(rcc_files_directory, pattern = "\\.RCC", recursive = TRUE),
-  datapath = list.files(rcc_files_directory, full.names = TRUE, pattern = "\\.RCC", recursive = TRUE),
-  IDFILE = basename(list.files(rcc_files_directory, full.names = TRUE, pattern = "\\.RCC", recursive = TRUE)),
-  plexset_id = rep(paste0("S", seq_len(8)), each = length(list.files(rcc_files_directory, pattern = "\\.RCC", recursive = TRUE)))
-)
-
-test_check("NACHO")
+  test_check("NACHO")
+}