@Test
 public void testGetMaxString() {
   String test1 = "1";
   String test2 = "2";
   String output = test.getMax(test1, test2);
   assertEquals("2", output);
 }
 @Test
 public void testGetMaxInt() {
   int test1 = 1;
   int test2 = 2;
   int output = test.getMax(test1, test2);
   assertEquals(2, output);
 }
 @Test
 public void testGetMaxDouble() {
   double test1 = 1;
   double test2 = 2;
   double output = test.getMax(test1, test2);
   assertEquals(2.0, output, 1);
 }