Environment implements Serializable { public void setBackEndUrl(String data) { this.items.put("backEndUrl", data); } Environment();  Environment(String frontEndUrl, String backEndUrl); void setFrontEndUrl(String data); String getFrontEndUrl(); void setBackEndUrl(String data); String getBackEndUrl();  }
@Test public void testSetBackEndUrl_1() throws Exception { Environment fixture = new Environment(); String data = ""; fixture.setBackEndUrl(data); }