Test: AddProfessor Test added

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

@@ -17,8 +17,22 @@ class AdministrationTest {
         Professor foundProf1 = administration.findProfessorById("P1001");
         assertEquals(prof1, foundProf1);
 
+    }
+
+    @Test
+    void testAddProfessor() {
+        Administration administration = new Administration();
+
+        Professor newProfessor = new Professor("P2001", "Dr. Jane Smith", "Professor");
+
+        administration.addProfessor(newProfessor);
 
+        Professor retrievedProfessor = administration.findProfessorById("P2001");
 
+        assertNotNull(retrievedProfessor, "Professor should be found in the administration.");
+        assertEquals(newProfessor.getProfessorID(), retrievedProfessor.getProfessorID(), "The retrieved professor's ID should match the original.");
+        assertEquals(newProfessor.getName(), retrievedProfessor.getName(), "The retrieved professor's name should match the original.");
+        assertEquals(newProfessor.getRole(), retrievedProfessor.getRole(), "The retrieved professor's role should match the original.");
     }
 
     @Test