add temp test security manager to test jar

core/pom.xml

@@ -279,6 +279,7 @@
                                 <include>rest-api-spec/**/*</include>
                                 <include>org/elasticsearch/test/**/*</include>
                                 <include>org/elasticsearch/bootstrap/BootstrapForTesting.class</include>
+                                <include>org/elasticsearch/bootstrap/XTestSecurityManager.class</include>
                                 <include>org/elasticsearch/common/cli/CliToolTestCase.class</include>
                                 <include>org/elasticsearch/common/cli/CliToolTestCase$*.class</include>
                                 <include>org/elasticsearch/cluster/MockInternalClusterInfoService.class</include>