Use a unique directory for WDT download

Author: sankarpn

integration-tests/src/test/java/oracle/weblogic/kubernetes/ItSystemResOverrides.java

@@ -692,8 +692,9 @@ private static void downloadAndInstallWDT() throws IOException {
 
     String wdtUrl = getActualLocationIfNeeded(WDT_DOWNLOAD_URL, WDT);
 
-    Path destLocation = Path.of(DOWNLOAD_DIR, "wdt", "weblogic-deploy.zip");
-    encryptModelScript = Path.of(DOWNLOAD_DIR, "wdt", "weblogic-deploy", "bin", "encryptModel.sh");
+    Path destLocation = Path.of(DOWNLOAD_DIR, "sysresoverride", "wdt", "weblogic-deploy.zip");
+    encryptModelScript = Path.of(DOWNLOAD_DIR, "sysresoverride", 
+        "wdt", "weblogic-deploy", "bin", "encryptModel.sh");
     if (!Files.exists(destLocation) && !Files.exists(encryptModelScript)) {
       logger.info("Downloading WDT from {0} to {1}", wdtUrl, destLocation);
       Files.createDirectories(destLocation.getParent());