Finalizing documentation in AdministrationTest file

src/test/java/org/example/AdministrationTest.java

@@ -72,6 +72,10 @@ class AdministrationTest {
         assertEquals(student, student2);
     }
 
+    /**
+     * Test case for the addCourse method.
+     * Adds a course to the Administration instance and checks if it can be found by its ID.
+     */
     @Test
     void addCourse() {
         Administration admin = new Administration();
@@ -80,6 +84,10 @@ class AdministrationTest {
         assertEquals(course, admin.findCourseByID("M101"));
     }
 
+    /**
+     * Test case for the deleteCourse method.
+     * Adds a course, deletes it, and checks if it's no longer found.
+     */
     @Test
     public void testDeleteCourse() {
         Administration administration = new Administration();
@@ -94,6 +102,10 @@ class AdministrationTest {
         assertNull(administration.findCourseByID("M101"));
     }
 
+    /**
+     * Test case for the findCourseByID method.
+     * Adds a course and checks if it can be found by its ID.
+     */
     @Test
     public void testFindCourseByID() {
         Administration administration = new Administration();