diff --git a/tests/testthat/_snaps/breaks-log.md b/tests/testthat/_snaps/breaks-log.md
new file mode 100644
index 00000000..aa7153eb
--- /dev/null
+++ b/tests/testthat/_snaps/breaks-log.md
@@ -0,0 +1,16 @@
+# minor_breaks_log rejects invalid arguments
+
+    Code
+      minor_breaks_log(7)
+    Condition
+      Error in `minor_breaks_log()`:
+      ! The `detail` argument must be one of 1, 5 or 10.
+
+---
+
+    Code
+      minor_breaks_log(smallest = 0)
+    Condition
+      Error in `minor_breaks_log()`:
+      ! The `smallest` argument must be a finite, positive, non-zero number.
+
diff --git a/tests/testthat/test-breaks-log.R b/tests/testthat/test-breaks-log.R
index 045813ac..5cbecb8c 100644
--- a/tests/testthat/test-breaks-log.R
+++ b/tests/testthat/test-breaks-log.R
@@ -110,12 +110,6 @@ test_that("minor_breaks_log has correct amount of detail", {
 })
 
 test_that("minor_breaks_log rejects invalid arguments", {
-  expect_error(
-    minor_breaks_log(7),
-    "must be one of 1, 5 or 10"
-  )
-  expect_error(
-    minor_breaks_log(smallest = 0),
-    "must be a finite, positive, non-zero number."
-  )
+  expect_snapshot(minor_breaks_log(7), error = TRUE)
+  expect_snapshot(minor_breaks_log(smallest = 0), error = TRUE)
 })