pay模块批量添加缺失的javadoc文档

weixin-java-pay/src/test/java/com/github/binarywang/wxpay/testbase/ApiTestModule.java

@@ -14,6 +14,9 @@ import com.google.inject.Module;
 import com.thoughtworks.xstream.XStream;
 import me.chanjar.weixin.common.util.xml.XStreamInitializer;
 
+/**
+ * The type Api test module.
+ */
 public class ApiTestModule implements Module {
   private final Logger log = LoggerFactory.getLogger(this.getClass());
   private static final String TEST_CONFIG_XML = "test-config.xml";

weixin-java-pay/src/test/java/com/github/binarywang/wxpay/testbase/XmlWxPayConfig.java

@@ -3,14 +3,27 @@ package com.github.binarywang.wxpay.testbase;
 import com.github.binarywang.wxpay.config.WxPayConfig;
 import com.thoughtworks.xstream.annotations.XStreamAlias;
 
+/**
+ * The type Xml wx pay config.
+ */
 @XStreamAlias("xml")
 public class XmlWxPayConfig extends WxPayConfig {
   private String openid;
 
+  /**
+   * Gets openid.
+   *
+   * @return the openid
+   */
   public String getOpenid() {
     return openid;
   }
 
+  /**
+   * Sets openid.
+   *
+   * @param openid the openid
+   */
   public void setOpenid(String openid) {
     this.openid = openid;
   }