add test

hutool-jwt/src/test/java/cn/hutool/jwt/JWTUtilTest.java

@@ -0,0 +1,24 @@
+package cn.hutool.jwt;
+
+import org.junit.Test;
+
+import java.util.HashMap;
+import java.util.Map;
+
+public class JWTUtilTest {
+
+	@Test
+	public void createTest(){
+		byte[] key = "1234".getBytes();
+		Map<String, Object> map = new HashMap<String, Object>() {
+			private static final long serialVersionUID = 1L;
+			{
+				put("uid", Integer.parseInt("123"));
+				put("expire_time", System.currentTimeMillis() + 1000 * 60 * 60 * 24 * 15);
+
+			}
+		};
+
+		JWTUtil.createToken(map, key);
+	}
+}