refactoring: adjusting test functions to the naming conventions in class StudentTest

src/test/java/org/example/StudentTest.java

@@ -30,7 +30,7 @@ class StudentTest {
     private static final Student sampleStudent = new Student("Sebastian Reichard", "S1001", "Student");
 
     @org.junit.jupiter.api.Test
-    void writeToFile() throws IOException {
+    void testWriteToFile() throws IOException {
         Student student = sampleStudent;
 
         // String filename = "testStudentData.txt";
@@ -46,7 +46,7 @@ class StudentTest {
     }
 
     @Test
-    void readFromFile() throws IOException {
+    void testReadFromFile() throws IOException {
 
         try (PrintWriter writer = new PrintWriter(new FileWriter("testStudentData.txt"))){
             writer.println("Sebastian Reichard");