Fixed parameters for test

Author: TetyanaYahodska

tpu/src/test/java/tpu/TpuVmIT.java

@@ -54,12 +54,12 @@
 @TestMethodOrder(MethodOrderer. OrderAnnotation. class)
 public class TpuVmIT {
   private static final String PROJECT_ID = System.getenv("GOOGLE_CLOUD_PROJECT");
-  private static final String ZONE = "europe-west4-b";
+  private static final String ZONE = "europe-west4-a";
   static String javaVersion = System.getProperty("java.version").substring(0, 2);
   private static final String TPU_VM_NAME = "test-tpu-" + javaVersion + "-"
       + UUID.randomUUID().toString().substring(0, 8);
-  private static final String ACCELERATOR_TYPE = "v5litepod-1";
-  private static final String VERSION = "tpu-vm-cos-stable";
+  private static final String ACCELERATOR_TYPE = "v2-8";
+  private static final String VERSION = "tpu-vm-tf-2.14.1";
   private static final String TPU_VM_PATH_NAME =
       String.format("projects/%s/locations/%s/nodes/%s", PROJECT_ID, ZONE, TPU_VM_NAME);
 
@@ -171,7 +171,7 @@ public static boolean containPrefixToDeleteAndZone(
 
   public static boolean isCreatedBeforeThresholdTime(String timestamp) {
     return OffsetDateTime.parse(timestamp).toInstant()
-        .isBefore(Instant.now().minus(5, ChronoUnit.MINUTES));
+        .isBefore(Instant.now().minus(30, ChronoUnit.MINUTES));
   }
 
   private static String formatTimestamp(Timestamp timestamp) {