Add links to tests

previous-exams/2022-midterm-code/Readme.md

@@ -2,13 +2,13 @@
 
 This folder contains the code of most of the exercises of the midterm, along with tests and comments.
 
-- Questions 1-3: [Part1.scala](src/main/scala/midterm/Part1.scala)
-- Questions 4-7: [Part2.scala](src/main/scala/midterm/Part2.scala)
+- Questions 1-3: [Part1.scala](src/main/scala/midterm/Part1.scala) and [Part1Test.scala](src/test/scala/midterm/Part1Test.scala)
+- Questions 4-7: [Part2.scala](src/main/scala/midterm/Part2.scala) and [Part2Test.scala](src/test/scala/midterm/Part2Test.scala)
 - Question 8: [Part3.scala](src/main/scala/midterm/Part3.scala)
-- Questions 9-15: [Part4.scala](src/main/scala/midterm/Part4.scala)
-- Question 21: [Part6.scala](src/main/scala/midterm/Part6.scala)
-- Questions 22-24: [Part7.scala](src/main/scala/midterm/Part7.scala)
-- Question 25: [Part8.scala](src/main/scala/midterm/Part8.scala)
+- Questions 9-15: [Part4.scala](src/main/scala/midterm/Part4.scala) and [Part4Test.scala](src/test/scala/midterm/Part4Test.scala)
+- Question 21: [Part6.scala](src/main/scala/midterm/Part6.scala) and [Part6Test.scala](src/test/scala/midterm/Part6Test.scala)
+- Questions 22-24: [Part7.scala](src/main/scala/midterm/Part7.scala) and [Part7Test.scala](src/test/scala/midterm/Part7Test.scala)
+- Question 25: [Part8.scala](src/main/scala/midterm/Part8.scala) and [Part8Test.scala](src/test/scala/midterm/Part8Test.scala)
 
 ## Test