修复menuTryMatch方法，请求方式由get变更为post，#125

weixin-java-mp/src/test/java/me/chanjar/weixin/mp/api/impl/WxMpMenuServiceImplTest.java

@@ -34,7 +34,8 @@ public class WxMpMenuServiceImplTest {
 
   @Test
   public void testMenuTryMatch() throws Exception {
-    //TODO
+    WxMenu menu = this.wxService.getMenuService().menuTryMatch("...");
+    System.out.println(menu);
   }
 
   @Test