reverted:
--- b/modules/ubercart/migrations/ubercart_product_variation.yml
+++ a/modules/ubercart/migrations/d6_ubercart_product_variation.yml
@@ -2,15 +2,13 @@
 #
 # For my use case, I had to create several different product variation types
 # and write an individual migration for each one. This is meant to be an example.
+id: d6_ubercart_product_variation
-id: ubercart_product_variation
 label: Migrate product variations from Ubercart
 migration_tags:
   - Drupal 6
   - Ubercart
-  - Drupal 7
-  - Drupal 7 Ubercart
 source:
+  plugin: d6_ubercart_product_variation
-  plugin: ubercart_product_variation
 process:
   type:
     plugin: default_value
diff -u b/modules/ubercart/src/Plugin/migrate/source/ProductVariation.php b/modules/ubercart/src/Plugin/migrate/source/ProductVariation.php
--- b/modules/ubercart/src/Plugin/migrate/source/ProductVariation.php
+++ b/modules/ubercart/src/Plugin/migrate/source/ProductVariation.php
@@ -1,6 +1,6 @@
 <?php
 
-namespace Drupal\commerce_migrate\Plugin\migrate\source\ubercart;
+namespace Drupal\commerce_migrate_ubercart\Plugin\migrate\source;
 
 use Drupal\migrate\Row;
 use Drupal\migrate_drupal\Plugin\migrate\source\DrupalSqlBase;
only in patch2:
unchanged:
--- a/modules/ubercart/migrations/d6_ubercart_product_variation.yml
+++ b/modules/ubercart/migrations/d6_ubercart_product_variation.yml
@@ -8,7 +8,7 @@ migration_tags:
   - Drupal 6
   - Ubercart
 source:
-  plugin: d6_ubercart_product_variation
+  plugin: ubercart_product_variation
 process:
   type:
     plugin: default_value
only in patch2:
unchanged:
--- a/modules/ubercart/migrations/d6_ubercart_product_variation.yml
+++ b/modules/ubercart/migrations/d7_ubercart_product_variation.yml
@@ -1,14 +1,14 @@
-# Ubercart 6 Product Variation Migration
+# Ubercart 7 Product Variation Migration
 #
 # For my use case, I had to create several different product variation types
 # and write an individual migration for each one. This is meant to be an example.
-id: d6_ubercart_product_variation
+id: d7_ubercart_product_variation
 label: Migrate product variations from Ubercart
 migration_tags:
-  - Drupal 6
+  - Drupal 7
   - Ubercart
 source:
-  plugin: d6_ubercart_product_variation
+  plugin: ubercart_product_variation
 process:
   type:
     plugin: default_value
@@ -32,6 +32,4 @@ process:
 destination:
   plugin: entity:commerce_product_variation
   destination_module: commerce_product
-migration_dependencies:
-  required:
-    -  d6_ubercart_attribute_field_instance
+
only in patch2:
unchanged:
--- /dev/null
+++ b/modules/ubercart/tests/src/Kernel/Migrate/d7/ProductVariationTest.php
@@ -0,0 +1,72 @@
+<?php
+
+namespace Drupal\Tests\commerce_migrate_ubercart\Kernel\Migrate\d7;
+
+use Drupal\Tests\commerce_migrate\Kernel\CommerceMigrateTestTrait;
+
+/**
+ * Tests Product migration.
+ *
+ * @requires module migrate_plus
+ *
+ * @group commerce_migrate
+ * @group commerce_migrate_ubercart_d6
+ */
+class ProductVariationTest extends Ubercart7TestBase {
+
+  use CommerceMigrateTestTrait;
+
+  /**
+   * Modules to enable.
+   *
+   * @var array
+   */
+  public static $modules = [
+    'commerce_product',
+    'filter',
+    'menu_ui',
+    'node',
+    'path',
+    'migrate_plus',
+  ];
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function setUp() {
+    parent::setUp();
+    $this->installEntitySchema('node');
+    $this->installEntitySchema('view');
+    $this->installEntitySchema('commerce_product_variation');
+    $this->installEntitySchema('commerce_product');
+    $this->installConfig(static::$modules);
+    $this->migrateStore();
+    $this->executeMigrations([
+      'd7_filter_formats',
+      'd7_user_role',
+      'd7_user',
+      'd7_node_type',
+      // @todo add migrations for the following:
+      // d7_ubercart_product_type
+      //'d7_field',
+      //'d7_field_instance',
+      //'d7_ubercart_attribute_field',
+      //'d7_ubercart_product_attribute',
+      //'d7_ubercart_attribute_field_instance',
+      //'d7_ubercart_attribute_instance_widget_settings',
+      'd7_ubercart_product_variation',
+    ]);
+  }
+
+  /**
+   * Test product variation migration from Drupal 6 to 8.
+   */
+  public function testProductVariation() {
+    $this->assertProductVariationEntity(1, '1', 'towel-bath-001', '20.000000', 'NZD', '1', 'Bath Towel', 'default', '1492867780', NULL);
+    $this->assertProductVariationEntity(2, '1', 'towel-beach-001', '15.000000', 'NZD', '2', 'Beach Towel', 'default', '1492989418', NULL);
+    $this->assertProductVariationEntity(3, '1', 'Fairy-Cake-001', '1500.000000', 'NZD', '3', 'Fairy cake', 'default', '1492989703', NULL);
+    $this->assertProductVariationEntity(4, '1', 'ship-001', '6000000000.000000', 'NZD', '4', 'Golgafrincham B-Ark', 'default', '1500868190', NULL);
+    $this->assertProductVariationEntity(5, '1', 'ship-002', '123000000.000000', 'NZD', '5', 'Heart of Gold', 'default', '1500868361', NULL);
+  }
+
+}
only in patch2:
unchanged:
--- a/modules/ubercart/tests/src/Kernel/Plugin/migrate/source/d6/ProductVariationTest.php
+++ b/modules/ubercart/tests/src/Kernel/Plugin/migrate/source/d6/ProductVariationTest.php
@@ -7,7 +7,7 @@ use Drupal\Tests\migrate\Kernel\MigrateSqlSourceTestBase;
 /**
  * Tests the d6 ubercart order product source plugin.
  *
- * @covers \Drupal\commerce_migrate_ubercart\Plugin\migrate\source\d6\ProductVariation
+ * @covers \Drupal\commerce_migrate_ubercart\Plugin\migrate\source\ProductVariation
  * @group commerce_migrate
  * @group commerce_migrate_ubercart_d6
  */