.omitNullValues()
            .add("field3", "World")
            .toString();
    assertEquals("TestClass{field1=Hello, field2=Googley, field3=World}", toTest);
  }

  public void testToStringHelperWithArrays() {
    String[] strings = {"hello", "world"};
    int[] ints = {2, 42};
    Object[] objects = {"obj"};
    String[] arrayWithNull = {null};
    Object[] empty = {};
    String toTest =

            .omitNullValues()
            .add("field3", "World")
            .toString();
    assertEquals("TestClass{field1=Hello, field2=Googley, field3=World}", toTest);
  }

  public void testToStringHelperWithArrays() {
    String[] strings = {"hello", "world"};
    int[] ints = {2, 42};
    Object[] objects = {"obj"};
    String[] arrayWithNull = {null};
    Object[] empty = {};
    String toTest =