adding javadoc

Author: vanajamukkara

integration-tests/src/test/java/oracle/kubernetes/operator/ITOperator.java

@@ -231,8 +231,9 @@ public void testTwoDomainsManagedByTwoOperators() throws Exception {
   }
   /**
    * Create operator if its not running and create domain with serverStartPolicy="ADMIN_ONLY".
-   * Verify only admin server is created. shutdown by deleting domain CRD. Create domain on existing
-   * PV dir, pv is already populated by a shutdown domain.
+   * Verify only admin server is created. Make domain configuration change and restart the domain.
+   * shutdown by deleting domain CRD. Create domain on existing PV dir, pv is already populated by a
+   * shutdown domain.
    *
    * @throws Exception
    */

integration-tests/src/test/java/oracle/kubernetes/operator/utils/TestUtils.java

@@ -1422,7 +1422,16 @@ public static ExecResult kubectlpatch(String domainUid, String domainNS, String
             + " --type merge";
     return exec(cmd, true);
   }
-
+  /**
+   * exec into the pod and call the shell script with given arguments
+   *
+   * @param podName
+   * @param domainNS
+   * @param scriptsLocInPod
+   * @param shScriptName
+   * @param args
+   * @throws Exception
+   */
   public static void callShellScriptByExecToPod(
       String podName, String domainNS, String scriptsLocInPod, String shScriptName, String[] args)
       throws Exception {