Remove unneeded classes and Add Jerome's tests

src/main/java/softeng/g4/appointment/Reminder.java

-package softeng.g4.appointment;
-
-public class Reminder {
-}

src/main/java/softeng/g4/appointment/RequestAppointment.java

-package softeng.g4.appointment;
-
-public class RequestAppointment {
-}

src/test/java/softeng/g4/user/StudentTest.java

@@ -8,6 +8,9 @@ import softeng.g4.cli.ListIO;
 import softeng.g4.course.Course;
 import softeng.g4.course.CourseList;
 
+import java.io.ByteArrayOutputStream;
+import java.io.PrintStream;
+
 import static org.junit.jupiter.api.Assertions.*;
 
 class StudentTest {
@@ -41,20 +44,60 @@ class StudentTest {
 
     @Test
     void seeCalendar() {
+        ByteArrayOutputStream outContent = new ByteArrayOutputStream();
+        System.setOut(new PrintStream(outContent));
+
+        testTa.setSchedule("monday", "Busy", "07:00", "21:00");
+        testTa.setSchedule("tuesday", "Busy", "07:00", "21:00");
+        testTa.setSchedule("wednesday", "Busy", "07:00", "21:00");
+        testTa.setSchedule("thursday", "Busy", "07:00", "21:00");
+        testTa.setSchedule("friday", "Busy", "07:00", "21:00");
+        testTa.setSchedule("saturday", "Busy", "07:00", "21:00");
+        testTa.setSchedule("sunday", "Busy", "07:00", "21:00");
+
+        new TeachingAssistant("testTA", "Test TA", Long.valueOf("1"), userList);
+
+        testStudent.seeCalendar("testTa", userList);
+
+        String outContentEdit = outContent.toString().replaceAll("\n", "").replaceAll("\r", "");
+
+        String expectedOutput =
+                "Monday:" +
+                        "Busy 07:00 - 21:00" +
+                        "Tuesday:" +
+                        "Busy 07:00 - 21:00" +
+                        "Wednesday:" +
+                        "Busy 07:00 - 21:00" +
+                        "Thursday:" +
+                        "Busy 07:00 - 21:00" +
+                        "Friday:" +
+                        "Busy 07:00 - 21:00" +
+                        "Saturday:" +
+                        "Busy 07:00 - 21:00" +
+                        "Sunday:" +
+                        "Busy 07:00 - 21:00";
+
+        assertEquals(expectedOutput, outContentEdit);
     }
 
+
     @Test
     void getRole() {
     }
 
     @Test
     void getUsername() {
+        testStudent = new Student("Kevin", "Kevin Kurn", Long.valueOf("987654321"), userList);
+        assertEquals(testStudent.getUsername(), "Kevin");
     }
 
     @Test
     void testToString() {
+        testStudent = new Student("Jerome", "Jerome Emmanuel", Long.valueOf("123456789"), userList);
+        assertEquals(testStudent.toString(),"Jerome - Jerome Emmanuel");
     }
 
+
     @AfterEach
     void finalTearDown() {
         courseList = new CourseList();