Environment implements Serializable { public String getBackEndUrl() { return (String) this.items.get("backEndUrl"); } Environment();  Environment(String frontEndUrl, String backEndUrl); void setFrontEndUrl(String data); String getFrontEndUrl(); void setBackEndUrl(String data); String getBackEndUrl();  }
@Test public void testGetBackEndUrl_1() throws Exception { Environment fixture = new Environment(); String result = fixture.getBackEndUrl(); assertEquals(null, result); }