Add test case.

# Conflicts:
#	spring-cloud-alicloud-context/src/main/java/org/springframework/cloud/alicloud/context/sms/SmsConfigProperties.java
#	spring-cloud-alicloud-context/src/main/java/org/springframework/cloud/alicloud/context/sms/SmsConfigRegistration.java
#	spring-cloud-alicloud-context/src/test/java/org/springframework/cloud/alicloud/context/ans/AnsPropertiesTests.java
#	spring-cloud-alicloud-context/src/test/java/org/springframework/cloud/alicloud/context/oss/OssAutoConfigurationTests.java
#	spring-cloud-alicloud-sms/src/main/java/org/springframework/cloud/alicloud/sms/AbstractSmsService.java
#	spring-cloud-alicloud-sms/src/main/java/org/springframework/cloud/alicloud/sms/SmsInitializerEventListener.java
#	spring-cloud-alicloud-sms/src/main/java/org/springframework/cloud/alicloud/sms/config/SmsAutoConfiguration.java

spring-cloud-alicloud-context/src/test/java/com/alibaba/csp/sentinel/datasource/nacos/NacosDataSource.java

@@ -0,0 +1,23 @@
+/*
+ * Copyright (C) 2018 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.alibaba.csp.sentinel.datasource.nacos;
+
+/**
+ * @author xiaolongzuo
+ */
+public class NacosDataSource {
+}

spring-cloud-alicloud-context/src/test/java/com/aliyuncs/dysmsapi/model/v20170525/SendSmsRequest.java

@@ -0,0 +1,23 @@
+/*
+ * Copyright (C) 2018 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.aliyuncs.dysmsapi.model.v20170525;
+
+/**
+ * @author xiaolongzuo
+ */
+public class SendSmsRequest {
+}