Test: deleteStudentTest Test added

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

@@ -135,4 +135,20 @@ class AdministrationTest {
         assertEquals("Alice", administration.findStudentById("S1001").getName());
     }
 
+    @Test
+    void deleteStudentTest() {
+        Administration administration = new Administration();
+        Student student = new Student("Bob", "S1002", "Student");
+
+        // Add the student and verify they're added
+        administration.addStudents(student);
+        assertNotNull(administration.findStudentById("S1002"));
+
+        // Delete the student
+        assertTrue(administration.deleteStudents("S1002"));
+
+        // Verify the student is no longer found
+        assertNull(administration.findStudentById("S1002"));
+    }
+
 }