@Test
public void testAssertNotEquals() {

  assertNotEquals(null, "Hello");
  assertNotEquals("Hello", null);
  assertNotEquals("Hello", "Hello1");
  try {
    assertNotEquals(null, null);
    fail();
  } catch (final AssertionError e) {
    // good we expected this
  }
  try {
    assertNotEquals("Hello", "Hello");
    fail();
  } catch (final AssertionError e) {
    // good we expected this
  }
}