diff --git a/input_files/input.json b/input_files/input.json
index e594684..9f10295 100644
--- a/input_files/input.json
+++ b/input_files/input.json
@@ -1999,6 +1999,12 @@
   "build_blacklist": [
    "nanos"
   ],
+  "test_blacklist": [
+   "nanos",
+   "nanosp",
+   "nanox",
+   "stax"
+  ],
   "variant_param": "COIN",
   "variants_nanos": [
    "Ledger-Sync"
@@ -4705,4 +4711,4 @@
    "zilliqa"
   ]
  }
-]
+]
\ No newline at end of file