Add more questions, fix some review recommendations

Author: elPiablo

pages/lessons/projects/4.mdx

@@ -61,10 +61,14 @@ you have all the Hardhat dependencies installed.
 Otherwise let's create a new Hardhat project and copy in the contract which
 we'll be testing.
 
+{/* DO WE NEED TO MAKE SURE WE HAVE THE MOST RECENT VERSION OF NPM? LET'S SEE IF THERE'S IMPROVEMENT */}
+
 To create a new project, please refer to _Lesson 3 - Tier NFTs_ and search for
 the “First things first 👷‍♂️" section to get your project going. Follow the steps
 until "Let’s start coding”, then open up your code editor.
 
+{/* AND DO WE NEED TO ENSURE LEARNERS ACTUALLY FINISH ALL THE STEPS IN LESSON 3 FOR hardhat configurations, deployment variables, etc */}
+
 _If you are using VSCode, type `code .` in your terminal to open VSCode._
 
 After running through that section you'll have a working Hardhat project for the
@@ -210,7 +214,7 @@ module.exports = {
   solidity: '0.8.12',
 }
 ```
-<SideDrawer buttonText="Checkpoint Questions" title="Setting up our Environment">
+<SideDrawer buttonText="Checkpoint Questions" title="Understanding our Environment">
       <Question question="lesson-4/2-get-set-up/Q1" />
       <Question question="lesson-4/2-get-set-up/Q2" />
       <Question question="lesson-4/2-get-set-up/Q3" />

utils/questions/lesson-4/1-intro/Q2.json

@@ -1,22 +1,16 @@
 {
-  "question": "",
+  "question": "Choose reasons for using automated tests:",
   "options": [
     {
-      "answer": "",
+      "answer": "Give us insurance if we upgrade code later ",
       "correct": true
     },
     {
-      "answer": ""
+      "answer": "So we don’t have to use manual tests"
     },
     {
-      "answer": "",
+      "answer": "Give us the chance to utilise code modularly",
       "correct": true
-    },
-    {
-      "answer": ""
-    },
-    {
-      "answer": ""
     }
   ]
 }

utils/questions/lesson-4/1-intro/Q3.json

@@ -1,22 +1,18 @@
 {
-  "question": "",
+  "question": "What do you imagine one of the first steps is in this lesson?",
   "options": [
     {
-      "answer": "",
-      "correct": true
-    },
-    {
-      "answer": ""
+      "answer": "Add your private key to the .gitignore file!"
     },
     {
-      "answer": "",
+      "answer": "Harmonise Solidity versions across the project",
       "correct": true
     },
     {
-      "answer": ""
+      "answer": "Add a new line of code to the contract to signal we can test it"
     },
     {
-      "answer": ""
+      "answer": "Add a console.log line to the contract code so we can see the output of the tests"
     }
   ]
 }

utils/questions/lesson-4/2-get-set-up/Q1.json

@@ -8,14 +8,14 @@
       "answer": "Help write more modular code"
     },
     {
-      "answer": "Ensure code doesn't break when changes are made"
-    },
-    {
-      "answer": "Only a) and c)"
+      "answer": "Ensure a fixed bug stays fixed"
     },
     {
       "answer": "All of the above",
       "correct": true
+    },
+    {
+      "answer": "Only a) and c)"
     }
   ]
 }

utils/questions/lesson-4/2-get-set-up/Q4.json

@@ -2,7 +2,7 @@
   "question": "Why should we verify the Solidity version in the hardhat.config.js file?",
   "options": [
     {
-      "answer": " To check for any updates to the Solidity version"
+      "answer": "So it can check for any updates to the Solidity version"
     },
     {
       "answer": "To ensure compatibility with the contract being tested.",

utils/questions/lesson-4/2-get-set-up/Q5.json

@@ -1,5 +1,5 @@
 {
-  "question": "Which part of the contract do you think will present us with some extra work to do?",
+  "question": "Which part of the contract do you think will present us with some extra work?",
   "options": [
     {
       "answer": "Testing the mint() function, because if the network is down, we won't see the tokens on a marketplace"