@Test
public void testAssertEquals() {

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