diff --git a/tests/testthat/_snaps/setResource.md b/tests/testthat/_snaps/setResource.md
new file mode 100644
index 000000000..eb16c94a3
--- /dev/null
+++ b/tests/testthat/_snaps/setResource.md
@@ -0,0 +1,9 @@
+# We can set and get resource parameters
+
+    Code
+      params <- setResource(params, r_pp = r_pp, kappa = kappa, lambda = lambda, n = n,
+        w_pp_cutoff = w_pp_cutoff)
+    Message <simpleMessage>
+      The resource intrinsic growth rate has been commented and therefore will not be recalculated from the resource parameters.
+      The resource carrying capacity has been commented and therefore will not be recalculated from the resource parameters.
+
diff --git a/tests/testthat/_snaps/steady.md b/tests/testthat/_snaps/steady.md
new file mode 100644
index 000000000..7009ced84
--- /dev/null
+++ b/tests/testthat/_snaps/steady.md
@@ -0,0 +1,10 @@
+# steady works
+
+    c("1" = 1.12523946834203, "2" = 0.378015488322643, "3" = 0.124113033074317, 
+    "4" = 0.0412195840646914)
+
+---
+
+    c("1" = 1.12523946834203, "2" = 0.378015488322643, "3" = 0.124113033074317, 
+    "4" = 0.0412195840646914)
+
diff --git a/tests/testthat/test-animateSpectra.R b/tests/testthat/test-animateSpectra.R
index ba210ce63..7e8376a16 100644
--- a/tests/testthat/test-animateSpectra.R
+++ b/tests/testthat/test-animateSpectra.R
@@ -1,3 +1,4 @@
+local_edition(3)
 test_that("animateSpectra does not throw error", {
     sim <- project(NS_params, t_max = 2, t_save = 1, effort = 1)
     expect_error(animateSpectra(sim, species = c("Cod", "Haddock"),
diff --git a/tests/testthat/test-calibrate.R b/tests/testthat/test-calibrate.R
index 9660653ba..51ed5cccf 100644
--- a/tests/testthat/test-calibrate.R
+++ b/tests/testthat/test-calibrate.R
@@ -1,3 +1,4 @@
+local_edition(3)
 # calibrateBiomass ----
 test_that("calibrateBiomass works", {
     params <- NS_params
diff --git a/tests/testthat/test-compareParams.R b/tests/testthat/test-compareParams.R
index 69a86c387..1dab8120c 100644
--- a/tests/testthat/test-compareParams.R
+++ b/tests/testthat/test-compareParams.R
@@ -1,3 +1,5 @@
+local_edition(3)
+
 test_that("compareParams", {
   local_reproducible_output()
   params <- NS_params
diff --git a/tests/testthat/test-setResource.R b/tests/testthat/test-setResource.R
index 7b28a0605..e8a047478 100644
--- a/tests/testthat/test-setResource.R
+++ b/tests/testthat/test-setResource.R
@@ -1,3 +1,4 @@
+local_edition(3)
 test_that("We can set and get resource parameters", {
   params <- NS_params
   rp <- resource_params(params)
@@ -39,10 +40,9 @@ test_that("We can set and get resource parameters", {
   expect_identical(getResourceRate(params), resource_rate)
   expect_identical(getResourceCapacity(params), resource_capacity)
   # Check that comments protect
-  expect_message(params <- setResource(params, r_pp = r_pp, kappa = kappa,
+  expect_snapshot(params <- setResource(params, r_pp = r_pp, kappa = kappa,
                                        lambda = lambda, n = n,
-                                       w_pp_cutoff = w_pp_cutoff),
-                 "The resource carrying capacity has been commented")
+                                       w_pp_cutoff = w_pp_cutoff))
   comment(params@cc_pp) <- NULL
   expect_message(params <- setResource(params, r_pp = r_pp, kappa = kappa,
                                        lambda = lambda, n = n,
@@ -56,8 +56,8 @@ test_that("We can set and get resource parameters", {
                    r_pp * params@w_full^(n - 1))
   resource_capacity <- getResourceCapacity(params)
   cc_pp <- kappa*params@w_full^(-lambda)
-  expect_equivalent(cc_pp[params@w_full <= w_pp_cutoff],
-                   resource_capacity[params@w_full <= w_pp_cutoff])
+  expect_equal(cc_pp[params@w_full <= w_pp_cutoff],
+               unname(resource_capacity[params@w_full <= w_pp_cutoff]))
   # resource_params<- sets rates correctly
   resource_params(NS_params) <- resource_params(params)
   expect_unchanged(NS_params, params)
@@ -89,7 +89,7 @@ test_that("Comment works on resource_rate", {
   p <- setResource(params, reset = TRUE)
   expect_equal(p@rr_pp[1], 
                params@w_full[1] ^ (params@resource_params$n - 1),
-               check.attributes = FALSE)
+               ignore_attr = TRUE)
   expect_warning(setResource(params, resource_rate = resource_rate,
                                   reset = TRUE),
                  "Because you set `reset = TRUE`, the")
@@ -121,7 +121,7 @@ test_that("Comment works on resource_capacity", {
   p <- setResource(params, reset = TRUE)
   expect_equal(p@cc_pp[1], 
                params@w_full[1] ^ (-params@resource_params$lambda),
-               check.attributes = FALSE)
+               ignore_attr = TRUE)
   expect_warning(setResource(params, resource_capacity = resource_capacity,
                              reset = TRUE),
                  "Because you set `reset = TRUE`, the")
diff --git a/tests/testthat/test-steady.R b/tests/testthat/test-steady.R
index b4b59e365..5fda8c892 100644
--- a/tests/testthat/test-steady.R
+++ b/tests/testthat/test-steady.R
@@ -1,3 +1,4 @@
+local_edition(3)
 # projectToSteady ----
 test_that("projectToSteady() works", {
     params <- NS_params
@@ -35,7 +36,7 @@ test_that("projectToSteady() works", {
     
     # Check extinction
     params@psi[5:6, ] <- 0
-    expect_warning(projectToSteady(params),
+    expect_warning(projectToSteady(params) |> suppressMessages(),
                    "Dab, Whiting are going extinct.")
 })
 
@@ -49,36 +50,41 @@ test_that("steady works", {
                    "Increased no_w to 36")
     params@species_params$gamma[2] <- 2000
     params <- setSearchVolume(params)
-    p <- steady(params, t_per = 2)
-    expect_known_value(getRDD(p), "values/steady")
+    p <- steady(params, t_per = 2) |>
+        suppressMessages()
+    expect_snapshot_value(getRDD(p), style = "deparse")
     # and works the same when returning sim
-    sim <- steady(params, t_per = 2, return_sim = TRUE)
-    expect_is(sim, "MizerSim")
-    expect_known_value(getRDD(sim@params), "values/steady")
+    sim <- steady(params, t_per = 2, return_sim = TRUE) |>
+        suppressMessages()
+    expect_s4_class(sim, "MizerSim")
+    expect_snapshot_value(getRDD(sim@params), style = "deparse")
 })
 
-test_that("steady() preserves erepro", {
+test_that("steady() preserves reproduction function", {
     params <- NS_params
     params@rates_funcs$RDD <- "noRDD"
-    p2 <- steady(params, t_per = 1)
+    p2 <- steady(params, t_per = 1, t_max = 1) |> suppressMessages()
     expect_equal(params@rates_funcs$RDD, "noRDD")
 })
 test_that("steady() preserves erepro", {
     params <- NS_params
     species_params(params)$R_max <- 1.01 * species_params(params)$R_max
-    p2 <- steady(params, t_per = 1, preserve = "erepro")
+    p2 <- steady(params, t_per = 1, preserve = "erepro") |>
+        suppressMessages()
     expect_equal(p2@species_params$erepro, params@species_params$erepro)
 })
 test_that("steady() preserves reproduction level", {
     params <- NS_params
     species_params(params)$R_max <- 1.01 * species_params(params)$R_max
-    p2 <- steady(params, t_per = 1, preserve = "reproduction_level")
+    p2 <- steady(params, t_per = 1, preserve = "reproduction_level") |>
+        suppressMessages()
     expect_equal(getReproductionLevel(p2), getReproductionLevel(params))
 })
 test_that("steady() preserves R_max", {
     params <- NS_params
     species_params(params)$erepro <- 1.01 * species_params(params)$erepro
-    expect_warning(p2 <- steady(params, t_per = 1, preserve = "R_max"),
+    expect_warning(p2 <- steady(params, t_per = 1, preserve = "R_max") |>
+                       suppressMessages(),
                    "The following species require an unrealistic reproductive")
     expect_equal(p2@species_params$R_max, params@species_params$R_max)
 })