新增获取网卡IP地址方法的测试

hutool-system/src/test/java/cn/hutool/system/SystemUtilTest.java

@@ -29,5 +29,11 @@ public class SystemUtilTest {
 		OsInfo osInfo = SystemUtil.getOsInfo();
 		Assert.assertNotNull(osInfo);
 	}
+
+	@Test
+	public void getHostInfo() {
+		HostInfo hostInfo = SystemUtil.getHostInfo();
+		Assert.assertNotNull(hostInfo);
+	}
 	
 }