Add logs

Author: sakthivelmanii

samples/snippets/src/test/java/com/example/spanner/SpannerSampleIT.java

@@ -527,6 +527,7 @@ public void testEncryptedDatabaseAndBackupSamples() throws Exception {
                 .setNodeCount(1)
                 .build())
         .get();
+    System.out.println("Creating database ...");
     try {
       String out =
           SampleRunner.runSample(
@@ -538,6 +539,7 @@ public void testEncryptedDatabaseAndBackupSamples() throws Exception {
               String.format(
                   "Created database [%s]", DatabaseName.of(projectId, instanceId, databaseId)));
 
+      System.out.println("Creating backup with encryption key ...");
       out =
           SampleRunner.runSampleWithRetry(
               () ->
@@ -556,6 +558,7 @@ public void testEncryptedDatabaseAndBackupSamples() throws Exception {
                       + "was created at (.*) using encryption key %s",
                   projectId, instanceId, encryptedBackupId, key));
 
+      System.out.println("Restoring backup with encryption key ...");
       out =
           SampleRunner.runSampleWithRetry(
               () ->
@@ -587,6 +590,7 @@ public void testEncryptedDatabaseAndBackupSamples() throws Exception {
     } finally {
       // Delete the backups from the test instance first, as the instance can only be deleted once
       // all backups have been deleted.
+      System.out.println("Deleting backups ...");
       deleteAllBackups(instanceId);
       instanceAdminClient.deleteInstance(instanceId);
     }
@@ -633,6 +637,7 @@ private static void deleteAllBackups(String instanceId) throws InterruptedExcept
     InstanceName instanceName = InstanceName.of(projectId, instanceId);
     for (Backup backup : databaseAdminClient.listBackups(instanceName.toString()).iterateAll()) {
       int attempts = 0;
+      System.out.printf("Deleting backup ... %s%n", backup.getName());
       while (attempts < 30) {
         try {
           attempts++;