diff --git a/api/ble.py b/api/ble.py
index 7bd45d4..c4461ee 100644
--- a/api/ble.py
+++ b/api/ble.py
@@ -291,18 +291,18 @@ def test(test_count = 0, bt_usb_id = None) -> None:
     test_list = mac_list
     passed_list = []
     # History buffer - keep the last N snapshots (N=5)
-    #print("Creating history variable")
-    #history = []
-    #print("Done")
-    #prev_list_snapshot = None
-    #print("Just before the loop")
+    print("Creating history variable")
+    history = []
+    print("Done")
+    prev_list_snapshot = None
+    print("Just before the loop")
     while not test_result:
         # Check if the failed list has been the same for 5 loops
-        #print("Check if the failed list has been the same for 5 loops")
-        # if prev_list_snapshot is not None and passed_list == prev_list_snapshot:
-        #     # List unchanged - add to history
-        #     print("List unchanged - add to history")
-        #     history.append(passed_list)
+        print("Check if the failed list has been the same for 5 loops")
+        if prev_list_snapshot is not None and passed_list == prev_list_snapshot:
+            # List unchanged - add to history
+            print("List unchanged - add to history")
+            history.append(passed_list)
         # else:
         #     # List changed - reset history
         #     print("List changed - reset history")