Fix test with stack.

googletest/test/gtest_xml_output_unittest.py

@@ -111,11 +111,11 @@ Invalid characters in brackets []%(stack)s]]></failure>
   <testsuite name="SkippedTest" tests="3" failures="1" disabled="0" skipped="2" errors="0" time="*" timestamp="*">
     <testcase name="Skipped" status="run" result="skipped" time="*" timestamp="*" classname="SkippedTest">
       <skipped message="gtest_xml_output_unittest_.cc:*&#x0A;"><![CDATA[gtest_xml_output_unittest_.cc:*
-]]></skipped>
+%(stack)s]]></skipped>
     </testcase>
     <testcase name="SkippedWithMessage" status="run" result="skipped" time="*" timestamp="*" classname="SkippedTest">
       <skipped message="gtest_xml_output_unittest_.cc:*&#x0A;It is good practice to tell why you skip a test."><![CDATA[gtest_xml_output_unittest_.cc:*
-It is good practice to tell why you skip a test.]]></skipped>
+It is good practice to tell why you skip a test.%(stack)s]]></skipped>
     </testcase>
     <testcase name="SkippedAfterFailure" status="run" result="completed" time="*" timestamp="*" classname="SkippedTest">
       <failure message="gtest_xml_output_unittest_.cc:*&#x0A;Expected equality of these values:&#x0A;  1&#x0A;  2" type=""><![CDATA[gtest_xml_output_unittest_.cc:*
@@ -123,7 +123,7 @@ Expected equality of these values:
   1
   2%(stack)s]]></failure>
       <skipped message="gtest_xml_output_unittest_.cc:*&#x0A;It is good practice to tell why you skip a test."><![CDATA[gtest_xml_output_unittest_.cc:*
-It is good practice to tell why you skip a test.]]></skipped>
+It is good practice to tell why you skip a test.%(stack)s]]></skipped>
     </testcase>
 
   </testsuite>