diff --git a/tests/assets.rs b/tests/assets.rs
index f7b207fc..198b7c5d 100644
--- a/tests/assets.rs
+++ b/tests/assets.rs
@@ -34,6 +34,26 @@ fn all_themes_are_present() {
             "ansi",
             "base16",
             "base16-256",
+            "base2tone-cave-dark",
+            "base2tone-desert-dark",
+            "base2tone-drawbridge-dark",
+            "base2tone-earth-dark",
+            "base2tone-evening-dark",
+            "base2tone-field-dark",
+            "base2tone-forest-dark",
+            "base2tone-garden-dark",
+            "base2tone-heath-dark",
+            "base2tone-lake-dark",
+            "base2tone-lavender-dark",
+            "base2tone-mall-dark",
+            "base2tone-meadow-dark",
+            "base2tone-morning-dark",
+            "base2tone-motel-dark",
+            "base2tone-pool-dark",
+            "base2tone-porch-dark",
+            "base2tone-sea-dark",
+            "base2tone-space-dark",
+            "base2tone-suburb-dark",
             "gruvbox-dark",
             "gruvbox-light",
             "zenburn"