@Override
  public boolean equals(Object o) {
    if (this == o) {
      return true;
    }
    if (o == null || getClass() != o.getClass()) {
      return false;
    }
    Env env = (Env) o;
    if (getName().equals(env.getName())) {
      throw new RuntimeException(getName() + " is same environment name, but their Env not same");
    } else {
      return false;
    }
  }
@Test
  public void testEquals() {
    assertEquals(Env.DEV, Env.valueOf("dEv"));
    String name = "someEEEE";
    Env.addEnvironment(name);
    assertNotEquals(Env.valueOf(name), Env.DEV);
  }