diff --git a/core/modules/node/tests/src/Unit/Plugin/migrate/source/d6/NodeByNodeTypeTest.php b/core/modules/node/tests/src/Unit/Plugin/migrate/source/d6/NodeByNodeTypeTest.php
index 0c31810..6a308ff 100644
--- a/core/modules/node/tests/src/Unit/Plugin/migrate/source/d6/NodeByNodeTypeTest.php
+++ b/core/modules/node/tests/src/Unit/Plugin/migrate/source/d6/NodeByNodeTypeTest.php
@@ -40,7 +40,7 @@ class NodeByNodeTypeTest extends MigrateSqlSourceTestCase {
       'promote' => 1,
       'moderate' => 0,
       'sticky' => 0,
-      'tnid' => 0,
+      'tnid' => 1,
       'translate' => 0,
       // Node revision fields.
       'body' => 'body for node 1',
@@ -64,7 +64,7 @@ class NodeByNodeTypeTest extends MigrateSqlSourceTestCase {
       'promote' => 1,
       'moderate' => 0,
       'sticky' => 0,
-      'tnid' => 0,
+      'tnid' => 2,
       'translate' => 0,
       // Node revision fields.
       'body' => 'body for node 2',
diff --git a/core/modules/node/tests/src/Unit/Plugin/migrate/source/d6/NodeRevisionByNodeTypeTest.php b/core/modules/node/tests/src/Unit/Plugin/migrate/source/d6/NodeRevisionByNodeTypeTest.php
index 8c78be7..d548ff3 100644
--- a/core/modules/node/tests/src/Unit/Plugin/migrate/source/d6/NodeRevisionByNodeTypeTest.php
+++ b/core/modules/node/tests/src/Unit/Plugin/migrate/source/d6/NodeRevisionByNodeTypeTest.php
@@ -134,7 +134,7 @@ class NodeRevisionByNodeTypeTest extends MigrateSqlSourceTestCase {
       'promote' => 1,
       'moderate' => 0,
       'sticky' => 0,
-      'tnid' => 0,
+      'tnid' => 1,
       'translate' => 0,
       'vid' => 1,
       'node_uid' => 1,
@@ -156,7 +156,7 @@ class NodeRevisionByNodeTypeTest extends MigrateSqlSourceTestCase {
       'promote' => 1,
       'moderate' => 0,
       'sticky' => 0,
-      'tnid' => 0,
+      'tnid' => 1,
       'translate' => 0,
       'vid' => 3,
       'node_uid' => 1,
diff --git a/core/modules/node/tests/src/Unit/Plugin/migrate/source/d6/NodeRevisionTest.php b/core/modules/node/tests/src/Unit/Plugin/migrate/source/d6/NodeRevisionTest.php
index b1c23f8..752ed9b 100644
--- a/core/modules/node/tests/src/Unit/Plugin/migrate/source/d6/NodeRevisionTest.php
+++ b/core/modules/node/tests/src/Unit/Plugin/migrate/source/d6/NodeRevisionTest.php
@@ -133,7 +133,7 @@ class NodeRevisionTest extends MigrateSqlSourceTestCase {
       'promote' => 1,
       'moderate' => 0,
       'sticky' => 0,
-      'tnid' => 0,
+      'tnid' => 1,
       'translate' => 0,
       // Node revision fields.
       'vid' => 1,
@@ -157,7 +157,7 @@ class NodeRevisionTest extends MigrateSqlSourceTestCase {
       'promote' => 1,
       'moderate' => 0,
       'sticky' => 0,
-      'tnid' => 0,
+      'tnid' => 1,
       'translate' => 0,
       // Node revision fields.
       'vid' => 3,