diff --git a/2-mandatory/5-writing-tests.js b/2-mandatory/5-writing-tests.js
index 1443608b..88d84889 100644
--- a/2-mandatory/5-writing-tests.js
+++ b/2-mandatory/5-writing-tests.js
@@ -35,7 +35,7 @@ function convertScoreToGrade(score) {
   passes.
 */
 test("a score of 83 is grade A", () => {
-  expect(convertScoreToGrade(83), "Z");
+  expect(convertScoreToGrade(83)).toEqual("A");
 });
 
 /*
diff --git a/2-mandatory/6-writing-tests-advanced.js b/2-mandatory/6-writing-tests-advanced.js
index 8d227e27..b80c7475 100644
--- a/2-mandatory/6-writing-tests-advanced.js
+++ b/2-mandatory/6-writing-tests-advanced.js
@@ -10,7 +10,7 @@
   trainee has completed.
 */
 
-function convertScoreToGrade() {
+function convertScoreToGrade(score) {
   let grade = null;
 
   if (score >= 80) {
@@ -55,6 +55,17 @@ function formatCourseworkResult(trainee) {
     score: 63
   }
 */
+// console.log(formatCourseworkResult({name: "Xin", score: 63}))
+// Xin's coursework was marked as grade C.
+
+test("expect name to equal Xin and score to equal 63", () => {
+  let trainee = {
+    name: "Xin",
+    score: 63
+  };
+  expect(formatCourseworkResult(trainee)).toEqual("Xin's coursework was marked as grade C.");
+});
+
 
 /*
   Write a test that checks the output of formatCourseworkResult when passed the following trainee: