diff --git a/challenges/intermediate-bonfires.json b/challenges/intermediate-bonfires.json
index aa63b115765..f71e33b3682 100644
--- a/challenges/intermediate-bonfires.json
+++ b/challenges/intermediate-bonfires.json
@@ -134,11 +134,11 @@
       "id": "a0b5010f579e69b815e7c5d6",
       "title": "Search and Replace",
       "tests": [
-        "assert(replace(\"Let us go to the store\", \"store\", \"mall\") === \"Let us go to the mall\", '.');",
-        "assert(replace(\"He is Sleeping on the couch\", \"Sleeping\", \"sitting\") === \"He is Sitting on the couch\", '.');",
-        "assert(replace(\"This has a spellngi error\", \"spellngi\", \"spelling\") === \"This has a spelling error\", '.');",
-        "assert(replace(\"His name is Tom\", \"Tom\", \"john\") === \"His name is John\", '.');",
-        "assert(replace(\"Let us get back to more Coding\", \"Coding\", \"bonfires\") === \"Let us get back to more Bonfires\");"
+        "assert(replace(\"Let us go to the store\", \"store\", \"mall\") === \"Let us go to the mall\", '<code>\"Let us go to the store\", \"store\", \"mall\"</code> should return <code>\"Let us go to the mall\", '\"Let us go to the store\", \"store\"</code>.');",
+        "assert(replace(\"He is Sleeping on the couch\", \"Sleeping\", \"sitting\") === \"He is Sitting on the couch\", '<code>\"He is Sleeping on the couch\", \"Sleeping\", \"sitting\"</code> should return <code>\"He is Sitting on the couch\"</code>.');",
+        "assert(replace(\"This has a spellngi error\", \"spellngi\", \"spelling\") === \"This has a spelling error\", '<code>\"This has a spellngi error\", \"spellngi\", \"spelling\"</code> should return <code>\"This has a spelling error\"</code>.');",
+        "assert(replace(\"His name is Tom\", \"Tom\", \"john\") === \"His name is John\", '<code>\"His name is Tom\", \"Tom\", \"john\"</code> should return <code>\"His name is John\"</code>.');",
+        "assert(replace(\"Let us get back to more Coding\", \"Coding\", \"bonfires\") === \"Let us get back to more Bonfires\"), '<code>\"Let us get back to more Coding\", \"Coding\", \"bonfires\"</code> should return <code>\"Let us get back to more Bonfires\"</code>');"
       ],
       "difficulty": "2.03",
       "description": [
@@ -178,11 +178,11 @@
       "id": "aa7697ea2477d1316795783b",
       "title": "Pig Latin",
       "tests": [
-        "assert(translate(\"california\") === \"aliforniacay\", '.');",
-        "assert(translate(\"paragraphs\") === \"aragraphspay\", '.');",
-        "assert(translate(\"glove\") === \"oveglay\", '.');",
-        "assert(translate(\"algorithm\") === \"algorithmway\", '.');",
-        "assert(translate(\"eight\") === \"eightway\");"
+        "assert(translate(\"california\") === \"aliforniacay\", '<code>\"california\"</code> should return <code>\"aliforniacay\"</code>.');",
+        "assert(translate(\"paragraphs\") === \"aragraphspay\", '<code>\"paragraphs\"</code> should return <code>\"aragraphspay\"</code>.');",
+        "assert(translate(\"glove\") === \"oveglay\", '<code>\"glove\"</code> should return <code>\"oveglay\".');",
+        "assert(translate(\"algorithm\") === \"algorithmway\", '<code>\"algorithm\"</code> should return <code>\"algorithmway\"</code>.');",
+        "assert(translate(\"eight\") === \"eightway\"), '<code>\"eight\"</code> should return <code>\"eightway\"</code>.');"
       ],
       "difficulty": "2.04",
       "description": [
@@ -222,9 +222,9 @@
       "id": "afd15382cdfb22c9efe8b7de",
       "title": "DNA Pairing",
       "tests": [
-        "assert.deepEqual(pair(\"ATCGA\"),[['A','T'],['T','A'],['C','G'],['G','C'],['A','T']], 'should return the dna pair', '.');",
-        "assert.deepEqual(pair(\"TTGAG\"),[['T','A'],['T','A'],['G','C'],['A','T'],['G','C']], 'should return the dna pair', '.');",
-        "assert.deepEqual(pair(\"CTCTA\"),[['C','G'],['T','A'],['C','G'],['T','A'],['A','T']], 'should return the dna pair');"
+        "assert(pair(\"ATCGA\") === [['A','T'],['T','A'],['C','G'],['G','C'],['A','T']], '<code>\"ATCGA\"</code> should return <code>[['A','T'],['T','A'],['C','G'],['G','C'],['A','T']]</code>.');",
+        "assert(pair(\"TTGAG\") === [['T','A'],['T','A'],['G','C'],['A','T'],['G','C']], '<code>\"TTGAG\"</code> should return <code>[['T','A'],['T','A'],['G','C'],['A','T'],['G','C']]</code>.');",
+        "assert(pair(\"CTCTA\") === [['C','G'],['T','A'],['C','G'],['T','A'],['A','T']], '<code>\"CTCTA\"</code> should return <code>[['C','G'],['T','A'],['C','G'],['T','A'],['A','T']]</code>.');"
       ],
       "difficulty": "2.05",
       "description": [
@@ -277,9 +277,9 @@
       ],
       "tests": [
         "assert(fearNotLetter('abce') === 'd', '.');",
-        "assert(fearNotLetter('bcd')).to.be.undefined;",
+        "assert(fearNotLetter('bcd')) === undefined, '.');",
         "assert(fearNotLetter('abcdefghjklmno') === 'i', '.');",
-        "assert(fearNotLetter('yz')).to.be.undefined;"
+        "assert(fearNotLetter('yz')) === undefined, '.');"
       ],
       "MDNlinks": [
         "String.charCodeAt()",