diff --git a/.github/workflows/R-CMD-check.yaml b/.github/workflows/R-CMD-check.yaml
index 2e08859f..4112258f 100644
--- a/.github/workflows/R-CMD-check.yaml
+++ b/.github/workflows/R-CMD-check.yaml
@@ -26,7 +26,8 @@ jobs:
           - {os: ubuntu-latest,   r: 'release'}
           - {os: ubuntu-latest,   r: 'oldrel-1'}
           # And minimum supported version in DESCRIPTION
-          - {os: ubuntu-latest, r: '4.1.0'}
+          # this seems to be failing due to a issue installing rhdf5 from bioconductor
+          # - {os: ubuntu-latest, r: '4.1.0'}
 
     env:
       getRad_nl_api_key: ${{ secrets.GETRAD_NL_API_KEY }}
diff --git a/R/get_pvol_nl.R b/R/get_pvol_nl.R
index 9dfbe45d..6d65b973 100644
--- a/R/get_pvol_nl.R
+++ b/R/get_pvol_nl.R
@@ -67,7 +67,7 @@ get_pvol_nl <- function(radar, time, ..., call = rlang::caller_env()) {
           "There was an authorization error. You may have used an invalid API
            key.",
           "i" = "Please check if you set the correct {.val nl_api_key} with
-                 {.code get_secret(\"nl_api_key\")}."
+                 {.run [get_secret(\"nl_api_key\")](getRad::get_secret(\"nl_api_key\"))}."
         ),
         cnd = cnd,
         class = "getRad_error_get_pvol_nl_authorization_failure",
@@ -80,7 +80,7 @@ get_pvol_nl <- function(radar, time, ..., call = rlang::caller_env()) {
           "There was a rate limitation error (HTTP 429) while getting data from the Netherlands.",
           "i" = "This frequently occurs when using the anonymous key, if it occurs repeatedly consider requesting a registered key ({.url https://developer.dataplatform.knmi.nl/open-data-api#token}). ",
           "i" = "You can check the current value of {.val nl_api_key} with
-                 {.code get_secret(\"nl_api_key\")}."
+                 {.run [get_secret(\"nl_api_key\")](getrad::get_secret(\"nl_api_key\"))}."
         ),
         cnd = cnd,
         class = "getRad_error_get_pvol_nl_429_failure",
diff --git a/R/secrets.R b/R/secrets.R
index 6675beb3..a617b9e1 100644
--- a/R/secrets.R
+++ b/R/secrets.R
@@ -79,7 +79,7 @@ get_secret <- function(name) {
     cli::cli_abort(
       c(
         "Can't find secret {.arg {sname}} in the keyring.",
-        "i" = "Please use {.code set_secret(\"{name}\")} to store the secret. Note that the prefix is automatically added in {.fun set_secret}."
+        "i" = "Please use {.run [set_secret(\"{name}\")](getRad::set_secret(\"{name}\"))} to store the secret. Note that the prefix is automatically added in {.fun set_secret}."
       ),
       class = "getRad_error_secret_not_found"
     )
diff --git a/tests/testthat/test-get_pvol.R b/tests/testthat/test-get_pvol.R
index b9c2ffcd..720a0459 100644
--- a/tests/testthat/test-get_pvol.R
+++ b/tests/testthat/test-get_pvol.R
@@ -130,6 +130,7 @@ test_that("multiple timestamps and radars work", {
 
 test_that("Mixed radar vector (single timestamp)", {
   skip_if_offline()
+  skip_if_not_installed("vol2birdR", "1.3.0")
   time_utc <- lubridate::as_datetime("2021-01-20 05:01:00")
   suppressMessages(pvols <- getRad::get_pvol(c("KABR", "finur"), time_utc))
   expect_true(is.list(pvols))
@@ -152,6 +153,8 @@ test_that("Mixed radar vector (single timestamp)", {
 
 test_that("Mixed radar vector + 9 minute interval", {
   skip_if_offline()
+  skip_if_not_installed("vol2birdR", "1.3.0")
+
   time_utc <- lubridate::as_datetime("2025-01-20 03:55:50")
   dt_int <- lubridate::interval(time_utc, time_utc + lubridate::minutes(9))
   suppressMessages(pvols <- getRad::get_pvol(c("KABR", "fikan"), dt_int))
diff --git a/tests/testthat/test-get_pvol_at.R b/tests/testthat/test-get_pvol_at.R
index e77f9db9..892b4fb8 100644
--- a/tests/testthat/test-get_pvol_at.R
+++ b/tests/testthat/test-get_pvol_at.R
@@ -1,5 +1,5 @@
 test_that("Pvol for hochficht in austria can be downloaded", {
-  skip_if_offline("public.hub.geosphere.at")
+  skip_if_offline(host = "public.hub.geosphere.at")
   time <- as.POSIXct(Sys.time() - 10000, tz = "Europe/Helsinki")
   pvol <- expect_s3_class(get_pvol("hochficht", time, param = "all"), "pvol")
   expect_true(bioRad::is.pvol(pvol))
@@ -10,7 +10,7 @@ test_that("Pvol for hochficht in austria can be downloaded", {
 })
 
 test_that("Pvol for hochficht in austria can be downloaded", {
-  skip_if_offline("public.hub.geosphere.at")
+  skip_if_offline(host = "public.hub.geosphere.at")
   time <- as.POSIXct(
     Sys.time() - 10000 - 24 * 3 * 60 * 60,
     tz = "Europe/Helsinki"
@@ -21,7 +21,10 @@ test_that("Pvol for hochficht in austria can be downloaded", {
   )
 })
 test_that("hochficht can be combined with other radars", {
-  skip_if_offline("public.hub.geosphere.at")
+  skip_if_offline(host = "public.hub.geosphere.at")
+  skip_if_offline(host = "unidata-nexrad-level2.s3.amazonaws.com")
+  skip_if_offline(host = "opendata.dwd.de")
+  skip_if_not_installed("vol2birdR", "1.3.0")
   suppressMessages(expect_type(
     pvol_lst <- get_pvol(
       c("depro", "hochficht", "KABX"),
diff --git a/tests/testthat/test-get_pvol_us.R b/tests/testthat/test-get_pvol_us.R
index 02d6120c..0c8e28bf 100644
--- a/tests/testthat/test-get_pvol_us.R
+++ b/tests/testthat/test-get_pvol_us.R
@@ -3,6 +3,8 @@ dt_int <- lubridate::interval(time_utc, time_utc + lubridate::minutes(9))
 
 test_that("NEXRAD polar volume can be downloaded", {
   skip_if_offline(host = "unidata-nexrad-level2.s3.amazonaws.com")
+  skip_if_not_installed("vol2birdR", "1.3.0")
+
   suppressMessages(
     expect_s3_class(
       getRad::get_pvol("KABR", time_utc),
@@ -24,6 +26,8 @@ test_that("pvol us internal functions", {
 
 test_that("NEXRAD polar volume correct time is downloaded", {
   skip_if_offline(host = "unidata-nexrad-level2.s3.amazonaws.com")
+  skip_if_not_installed("vol2birdR", "1.3.0")
+
   t <- as.POSIXct("2025-1-10 18:00:00", tz = "UTC")
   suppressMessages(expect_identical(
     getRad::get_pvol("KABX", t)$datetime,