diff -u b/core/modules/migrate/tests/src/Unit/MigrateSqlIdMapTest.php b/core/modules/migrate/tests/src/Unit/MigrateSqlIdMapTest.php
--- b/core/modules/migrate/tests/src/Unit/MigrateSqlIdMapTest.php
+++ b/core/modules/migrate/tests/src/Unit/MigrateSqlIdMapTest.php
@@ -6,8 +6,8 @@
 use Drupal\migrate\Plugin\MigrationInterface;
 use Drupal\migrate\MigrateException;
 use Drupal\migrate\Plugin\MigrateIdMapInterface;
-use Drupal\migrate\Row;
 use Drupal\migrate\Plugin\migrate\id_map\Sql;
+use Drupal\migrate\Row;
 
 /**
  * Tests the SQL ID map plugin.
only in patch2:
unchanged:
--- a/core/modules/migrate/tests/src/Kernel/MigrateRollbackTest.php
+++ b/core/modules/migrate/tests/src/Kernel/MigrateRollbackTest.php
@@ -4,6 +4,7 @@
 
 use Drupal\migrate\MigrateExecutable;
 use Drupal\migrate\Plugin\MigrateIdMapInterface;
+use Drupal\migrate\Plugin\migrate\id_map\Sql;
 use Drupal\migrate\Row;
 use Drupal\taxonomy\Entity\Term;
 use Drupal\taxonomy\Entity\Vocabulary;
@@ -72,7 +73,7 @@ public function testRollback() {
       $vocabulary = Vocabulary::load($row['id']);
       $this->assertTrue($vocabulary);
       $map_row = $vocabulary_id_map->getRowBySource(['id' => $row['id']]);
-      $this->assertNotNull($map_row['destid1']);
+      $this->assertNotNull($map_row['vid' . SQL::ID_SUFFIX]);
     }
 
     // We use taxonomy terms to demonstrate importing and rolling back content
@@ -117,7 +118,7 @@ public function testRollback() {
     $preserved_term_ids[] = 2;
     $map_row = $term_id_map->getRowBySource(['id' => 2]);
     $dummy_row = new Row(['id' => 2], $ids);
-    $term_id_map->saveIdMapping($dummy_row, [$map_row['destid1']],
+    $term_id_map->saveIdMapping($dummy_row, [$map_row['id' . SQL::ID_SUFFIX]],
       $map_row['source_row_status'], MigrateIdMapInterface::ROLLBACK_PRESERVE);
 
     foreach ($term_data_rows as $row) {
@@ -125,7 +126,7 @@ public function testRollback() {
       $term = Term::load($row['id']);
       $this->assertTrue($term);
       $map_row = $term_id_map->getRowBySource(['id' => $row['id']]);
-      $this->assertNotNull($map_row['destid1']);
+      $this->assertNotNull($map_row['id' . SQL::ID_SUFFIX]);
     }
 
     // Rollback and verify the entities are gone.
only in patch2:
unchanged:
--- a/core/modules/taxonomy/tests/src/Kernel/Migrate/MigrateTaxonomyTermStubTest.php
+++ b/core/modules/taxonomy/tests/src/Kernel/Migrate/MigrateTaxonomyTermStubTest.php
@@ -72,7 +72,7 @@ public function testStubWithWeightMapping() {
     $migration = $this->getMigration('taxonomy_term_stub_test');
     $term_executable = new MigrateExecutable($migration, $this);
     $term_executable->import();
-    $this->assertTrue($migration->getIdMap()->getRowBySource(['2']), 'Stub row exists in the ID map table');
+    $this->assertTrue($migration->getIdMap()->getRowBySource(['id' => '2']), 'Stub row exists in the ID map table');
 
     // Load the referenced term, which should exist as a stub.
     /** @var \Drupal\Core\Entity\ContentEntityBase $stub_entity */