uptopresenter

src/main/java/com/zipcoder/payment/PaymentSortByPayer.java

 public class PaymentSortByPayer implements Comparator<Payment> {
 
     public int compare(Payment payment1, Payment payment2) {
-        return payment1.compareTo(payment2);
+        return payment1.getPayerName().compareTo(payment2.getPayerName());
     }
 }

src/test/java/com/zipcoder/payment/PaymentPresenterTest.java

 package com.zipcoder.payment;
 
+import org.junit.Assert;
+import org.junit.Test;
+
 public class PaymentPresenterTest {
+
+//    @Test
+//    public void toStringEmptyTest() {
+//        Payment[] payments = new Payment[0];
+//        PaymentPresenter presenter = new PaymentPresenter();
+//        String expected = "";
+//
+//        String actual = presenter.toString(payments);
+//
+//        Assert.assertEquals(expected, actual);
+//    }
+//    @Test
+//    public void toStringTest() {
+//        Payment[] payments = new Payment[2];
+//        Payment paypal = new PayPal(4L, "Tia Mowry", "tia@mowry.com");
+//        Payment check = new Check(81L, "Tia Mowry", "11432543", "134344551")
+//
+//        payments[0] = paypal;
+//        payments[1] = check;
+//
+//        PaymentPresenter presenter = new PaymentPresenter();
+//        String expected = "Check Tia Mowry ***4551\nPaypal Tia Mowry tia@mowry.com\n";
+//
+//        String actual = presenter.toString(payments);
+//        Assert.assertEquals(expected, actual);
+//    }
 }

src/test/java/com/zipcoder/payment/PaymentSortByPayerTest.java

 
         int actual = test.compare(payment1, payment2);
 
-        Assert.assertTrue(actual > 0);
+        Assert.assertTrue(actual < 0);
     }
 
     @Test
     public void compareTest02() {
-        Check payment1 = new Check(300,"Zaron Aaronson", "1234567", "764321");
+        Check payment1 = new Check(300,"Zach Aaronson", "1234567", "764321");
         PayPal payment2 = new PayPal(15,"Momo Hashimoto", "kawaii54@line.com");
 
         int actual = test.compare(payment1, payment2);
 
-        Assert.assertTrue(actual < 0);
+        Assert.assertTrue(actual > 0);
     }
 
     @Test