diff --git a/challenges/basic-javascript.json b/challenges/basic-javascript.json
index a71eace31b..48621e07e2 100644
--- a/challenges/basic-javascript.json
+++ b/challenges/basic-javascript.json
@@ -1216,10 +1216,10 @@
         "<code>Math.floor(Math.random() * (3 - 1 + 1)) + 1;</code>"
       ],
       "tests": [
-        "assert(typeof(runSlots($(\".slot\"))[0]) === \"number\", '<code>slotOne</code> should be a random number.')",
-        "assert(typeof(runSlots($(\".slot\"))[1]) === \"number\", '<code>slotTwo</code> should be a random number.')",
-        "assert(typeof(runSlots($(\".slot\"))[2]) === \"number\", '<code>slotThree</code> should be a random number.')",
-        "assert((function(){if(editor.match(/Math\\.floor\\(\\s?Math\\.random\\(\\)\\s?\\*\\s?\\(\\s?3\\s?\\-\\s?1\\s?\\+\\s?1\\s?\\)\\s?\\)\\s?\\+\\s?1;/gi) !== null){return editor.match(/Math\\.floor\\(\\s?Math\\.random\\(\\)\\s?\\*\\s?\\(\\s?3\\s?\\-\\s?1\\s?\\+\\s?1\\s?\\)\\s?\\)\\s?\\+\\s?1;/gi).length >= 3;}else{return false;}})(), 'You should have used <code>Math.floor(Math.random() * (3 - 1 + 1)) + 1;</code> three times to generate your random numbers.')"
+        "assert(typeof(runSlots($(\".slot\"))[0]) === \"number\" && runSlots($(\".slot\"))[0] > 0 && runSlots($(\".slot\"))[0] < 4, '<code>slotOne</code> should be a random number.')",
+        "assert(typeof(runSlots($(\".slot\"))[1]) === \"number\" && runSlots($(\".slot\"))[1] > 0 && runSlots($(\".slot\"))[1] < 4, '<code>slotTwo</code> should be a random number.')",
+        "assert(typeof(runSlots($(\".slot\"))[2]) === \"number\" && runSlots($(\".slot\"))[2] > 0 && runSlots($(\".slot\"))[2] < 4, '<code>slotThree</code> should be a random number.')",
+        "assert((function(){if(editor.match(/Math\\.floor\\(\\s?Math\\.random\\(\\)\\s?\\*\\s?\\(\\s?3\\s?\\-\\s?1\\s?\\+\\s?1\\s?\\)\\s?\\)\\s?\\+\\s?1/gi) !== null){return editor.match(/slot.*?=.*?\\(.*?\\).*?/gi).length >= 3;}else{return false;}})(), 'You should have used <code>Math.floor(Math.random() * (3 - 1 + 1)) + 1;</code> three times to generate your random numbers.')"
       ],
       "challengeSeed": [
         "fccss",