diff -u b/core/modules/taxonomy/tests/src/Unit/Plugin/migrate/cckfield/TaxonomyTermReferenceCckTest.php b/core/modules/taxonomy/tests/src/Unit/Plugin/migrate/cckfield/TaxonomyTermReferenceCckTest.php
--- b/core/modules/taxonomy/tests/src/Unit/Plugin/migrate/cckfield/TaxonomyTermReferenceCckTest.php
+++ b/core/modules/taxonomy/tests/src/Unit/Plugin/migrate/cckfield/TaxonomyTermReferenceCckTest.php
@@ -1,6 +1,6 @@
 <?php
 
-namespace Drupal\Tests\taxonomy\Unit\Migrate\cckfield;
+namespace Drupal\Tests\taxonomy\Unit\Plugin\migrate\cckfield;
 
 use Drupal\migrate\Plugin\MigrationInterface;
 use Drupal\Tests\UnitTestCase;
@@ -11,10 +11,10 @@
  * @coversDefaultClass \Drupal\taxonomy\Plugin\migrate\cckfield\TaxonomyTermReference
  * @group taxonomy
  */
-class TextFieldTest extends UnitTestCase {
+class TaxonomyTermReferenceCckTest extends UnitTestCase {
 
   /**
-   * @var \Drupal\migrate_drupal\Plugin\MigrateFieldInterface
+   * @var \Drupal\migrate_drupal\Plugin\MigrateCckFieldInterface
    */
   protected $plugin;
 
@@ -27,11 +27,11 @@
    * {@inheritdoc}
    */
   protected function setUp() {
-    $this->plugin = new TaxonomyTermReference([], 'text', []);
+    $this->plugin = new TaxonomyTermReference([], 'taxonomy', []);
 
     $migration = $this->prophesize(MigrationInterface::class);
 
-    // The plugin's processFieldValues() method will call
+    // The plugin's processCckFieldValues() method will call
     // setProcessOfProperty() and return nothing. So, in order to examine the
     // process pipeline created by the plugin, we need to ensure that
     // getProcess() always returns the last input to setProcessOfProperty().
@@ -44,7 +44,7 @@
   }
 
   /**
-   * @covers ::processFieldValues
+   * @covers ::processCckFieldValues
    */
   public function testProcessCckFieldValues() {
     $this->plugin->processFieldValues($this->migration, 'somefieldname', []);
diff -u b/core/modules/taxonomy/tests/src/Unit/Plugin/migrate/field/TaxonomyTermReferenceFieldTest.php b/core/modules/taxonomy/tests/src/Unit/Plugin/migrate/field/TaxonomyTermReferenceFieldTest.php
--- b/core/modules/taxonomy/tests/src/Unit/Plugin/migrate/field/TaxonomyTermReferenceFieldTest.php
+++ b/core/modules/taxonomy/tests/src/Unit/Plugin/migrate/field/TaxonomyTermReferenceFieldTest.php
@@ -1,6 +1,6 @@
 <?php
 
-namespace Drupal\Tests\taxonomy\Unit\Migrate\field;
+namespace Drupal\Tests\taxonomy\Unit\Plugin\migrate\field;
 
 use Drupal\migrate\Plugin\MigrationInterface;
 use Drupal\Tests\UnitTestCase;
@@ -11,7 +11,7 @@
  * @coversDefaultClass \Drupal\taxonomy\Plugin\migrate\field\TaxonomyTermReference
  * @group taxonomy
  */
-class TextFieldTest extends UnitTestCase {
+class TaxonomyTermReferenceFieldTest extends UnitTestCase {
 
   /**
    * @var \Drupal\migrate_drupal\Plugin\MigrateFieldInterface
@@ -27,7 +27,7 @@
    * {@inheritdoc}
    */
   protected function setUp() {
-    $this->plugin = new TaxonomyTermReference([], 'text', []);
+    $this->plugin = new TaxonomyTermReference([], 'taxonomy', []);
 
     $migration = $this->prophesize(MigrationInterface::class);
 
@@ -46,7 +46,7 @@
   /**
    * @covers ::processFieldValues
    */
-  public function testProcessCckFieldValues() {
+  public function testProcessFieldValues() {
     $this->plugin->processFieldValues($this->migration, 'somefieldname', []);
 
     $expected = [