add xml file for server cleanup

ci-scripts/xml_files/container_sa_n310_2x2_cleanup.xml

+<!--
+
+ Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
+ contributor license agreements.  See the NOTICE file distributed with
+ this work for additional information regarding copyright ownership.
+ The OpenAirInterface Software Alliance licenses this file to You under
+ the OAI Public License, Version 1.1  (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.openairinterface.org/?page_id=698
+
+ 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.
+
+ For more information about the OpenAirInterface (OAI) Software Alliance:
+      contact@openairinterface.org
+
+-->
+<testCaseList>
+  <htmlTabRef>test-cleanup</htmlTabRef>
+  <htmlTabName>CleanUp SA 2x2</htmlTabName>
+  <htmlTabIcon>trash</htmlTabIcon>
+  <TestCaseRequestedList>
+    111111
+    222222
+  </TestCaseRequestedList>
+  <TestCaseExclusionList></TestCaseExclusionList>
+
+  <testCase id="111111">
+    <class>Clean_Test_Server_Images</class>
+    <desc>Clean Test Images on Test Server</desc>
+    <test_svr_id>0</test_svr_id>
+  </testCase>
+
+</testCaseList>