diff -u b/modules/commerce/tests/src/Kernel/Migrate/d7/ProductTest.php b/modules/commerce/tests/src/Kernel/Migrate/d7/ProductTest.php
--- b/modules/commerce/tests/src/Kernel/Migrate/d7/ProductTest.php
+++ b/modules/commerce/tests/src/Kernel/Migrate/d7/ProductTest.php
@@ -48,15 +48,41 @@
 
   /**
    * Test product migration from Drupal 7 to 8.
+   */
+  public function testProduct() {
+    $product = [
+      'product_id' => '1',
+      'uid' => '1',
+      'title' => 'Go green with Drupal Commerce Reusable Tote Bag',
+      'published' => TRUE,
+      'store_ids' => ['1'],
+      'variations' => [
+        'variation one' => [
+          'variation_id' => '1',
+          'uid' => '0',
+          'sku' => 'TOT1-GRN-OS',
+          'price' => '16.000000',
+          'currency' => 'USD',
+          'title' => 'Tote Bag 1',
+          'order_item_type' => 'default',
+        ],
+      ],
+    ];
+    $variation_ids = ['1'];
+    $this->assertProductEntity($product['product_id'], $product['uid'], $product['title'], $product['published'], $product['store_ids'], $variation_ids);
+    $this->productVariationTest($product);
+  }
+
+  /**
+   * Helper to test a product is linked to its variations.
    *
-   * @dataProvider productsProvider
+   * @param array $product
+   *   Product and product variation data.
    */
-  public function testProduct(array $product) {
+  public function productVariationTest(array $product) {
     // Test variations.
-    $variation_ids = [];
+    $productInstance = Product::load($product['product_id']);
     foreach ($product['variations'] as $variation) {
-      $variation_ids[] = $variation['variation_id'];
-      $productInstance = Product::load($product['product_id']);
       $found = FALSE;
       foreach ($productInstance->variations as $variationInstance) {
         if ($variation['variation_id'] == $variationInstance->target_id) {
@@ -66,37 +92,6 @@
       $this->assertTrue($found, "No variation exists for variation_id: {$variation['variation_id']}");
       $this->assertProductVariationEntity($variation['variation_id'], $variation['uid'], $variation['sku'], $variation['price'], $variation['currency'], $product['product_id'], $variation['title'], $variation['order_item_type']);
     }
-
-    // Test product itself.
-    $this->assertProductEntity($product['product_id'], $product['uid'], $product['title'], $product['published'], $product['store_ids'], $variation_ids);
-  }
-
-  /**
-   * Products data provider.
-   */
-  public function productsProvider() {
-    return [
-      'go green' => [
-        [
-          'product_id' => '15',
-          'uid' => '1',
-          'title' => 'Go green with Drupal Commerce Reusable Tote Bag',
-          'published' => TRUE,
-          'store_ids' => ['1'],
-          'variations' => [
-            'variation one' => [
-              'variation_id' => '1',
-              'uid' => '0',
-              'sku' => 'TOT1-GRN-OS',
-              'price' => '16.000000',
-              'currency' => 'USD',
-              'title' => 'Tote Bag 1',
-              'order_item_type' => 'default',
-            ],
-          ],
-        ],
-      ],
-    ];
   }
 
 }
diff -u b/modules/commerce/tests/src/Kernel/Migrate/d7/ProductTypeTest.php b/modules/commerce/tests/src/Kernel/Migrate/d7/ProductTypeTest.php
--- b/modules/commerce/tests/src/Kernel/Migrate/d7/ProductTypeTest.php
+++ b/modules/commerce/tests/src/Kernel/Migrate/d7/ProductTypeTest.php
@@ -39,55 +39,34 @@
    * Test product type migration from Drupal 7 to 8.
-   *
-   * @dataProvider productTypes
    */
-  public function testProductType($id, $label, $description) {
-    $this->assertProductTypeEntity($id, $label, $description);
+  public function testProductType() {
+    $type = [
+      'id' => 'bags_cases',
+      'label' => 'Bags & Cases',
+      'description' => 'A <em>Bags & Cases</em> is a content type which contain product variations.',
+    ];
+    $this->assertProductTypeEntity($type['id'], $type['label'], $type['description']);
+    $type = [
+      'id' => 'tops',
+      'label' => 'Tops',
+      'description' => 'A <em>Tops</em> is a content type which contain product variations.',
+    ];
+    $this->assertProductTypeEntity($type['id'], $type['label'], $type['description']);
   }
 
   /**
    * Test product type migration fields from Drupal 7 to 8.
-   *
-   * @dataProvider productTypeFields
    */
-  public function testProductTypeFields($bundle, array $fields) {
+  public function testProductTypeFields() {
     /** @var \Drupal\Core\Entity\EntityFieldManager $field_manager */
     $field_manager = $this->container->get('entity_field.manager');
-    $field_definitions = $field_manager->getFieldDefinitions('commerce_product', $bundle);
 
+    $bundle = 'tops';
+    $fields = ['body', 'variations', 'stores'];
+    $field_definitions = $field_manager->getFieldDefinitions('commerce_product', $bundle);
     // Check that fields were added.
     foreach ($fields as $field) {
       $this->assertTrue(isset($field_definitions[$field]));
     }
   }
 
-  /**
-   * Data provider of product types.
-   */
-  public function productTypes() {
-    return [
-      'bags' => [
-        'id' => 'bags_cases',
-        'label' => 'Bags & Cases',
-        'description' => 'A <em>Bags & Cases</em> is a content type which contain product variations.',
-      ],
-      'tops' => [
-        'id' => 'tops',
-        'label' => 'Tops',
-        'description' => 'A <em>Tops</em> is a content type which contain product variations.',
-      ],
-    ];
-  }
-
-  /**
-   * Data provider of product type fields.
-   */
-  public function productTypeFields() {
-    return [
-      'tops' => [
-        'bundle' => 'tops',
-        'fields' => ['body', 'variations', 'stores'],
-      ],
-    ];
-  }
-
 }
diff -u b/modules/commerce/tests/src/Kernel/Migrate/d7/ProductVariationTest.php b/modules/commerce/tests/src/Kernel/Migrate/d7/ProductVariationTest.php
--- b/modules/commerce/tests/src/Kernel/Migrate/d7/ProductVariationTest.php
+++ b/modules/commerce/tests/src/Kernel/Migrate/d7/ProductVariationTest.php
@@ -40,11 +40,86 @@
 
   /**
    * Test product variation migration from Drupal 7 Commerce to Drupal 8.
-   *
-   * @dataProvider variationsProvider
    */
-  public function testProductVariation(array $variation) {
+  public function testProductVariation() {
+    $variation = [
+      'id' => 1,
+      'uid' => '0',
+      'sku' => 'TOT1-GRN-OS',
+      'price' => '16.000000',
+      'currency' => 'USD',
+      'product_id' => '1',
+      'variation_title' => 'Tote Bag 1',
+      'variation_bundle' => 'default',
+    ];
+    $this->assertProductVariationEntity($variation['id'], $variation['uid'], $variation['sku'], $variation['price'], $variation['currency'], $variation['product_id'], $variation['variation_title'], $variation['variation_bundle']);
+    $variation = [
+      'id' => 11,
+      'uid' => '0',
+      'sku' => 'HAT1-GRY-OS',
+      'price' => '16.000000',
+      'currency' => 'USD',
+      'product_id' => '11',
+      'variation_title' => 'Hat 1',
+      'variation_bundle' => 'default',
+    ];
+    $this->assertProductVariationEntity($variation['id'], $variation['uid'], $variation['sku'], $variation['price'], $variation['currency'], $variation['product_id'], $variation['variation_title'], $variation['variation_bundle']);
+    $variation = [
+      'id' => 19,
+      'uid' => '0',
+      'sku' => 'SHO2-PRL-04',
+      'price' => '40.000000',
+      'currency' => 'USD',
+      'product_id' => '19',
+      'variation_title' => 'Shoe 2',
+      'variation_bundle' => 'default',
+    ];
     $this->assertProductVariationEntity($variation['id'], $variation['uid'], $variation['sku'], $variation['price'], $variation['currency'], $variation['product_id'], $variation['variation_title'], $variation['variation_bundle']);
+    $variation = [
+      'id' => 20,
+      'uid' => '0',
+      'sku' => 'SHO2-PRL-05',
+      'price' => '40.000000',
+      'currency' => 'USD',
+      'product_id' => '20',
+      'variation_title' => 'Shoe 2',
+      'variation_bundle' => 'default',
+    ];
+    $this->assertProductVariationEntity($variation['id'], $variation['uid'], $variation['sku'], $variation['price'], $variation['currency'], $variation['product_id'], $variation['variation_title'], $variation['variation_bundle']);
+    $variation = [
+      'id' => 28,
+      'uid' => '0',
+      'sku' => 'USB-BLU-08',
+      'price' => '11.990000',
+      'currency' => 'USD',
+      'product_id' => '28',
+      'variation_title' => 'Storage 1',
+      'variation_bundle' => 'default',
+    ];
+    $this->assertProductVariationEntity($variation['id'], $variation['uid'], $variation['sku'], $variation['price'], $variation['currency'], $variation['product_id'], $variation['variation_title'], $variation['variation_bundle']);
+    $variation = [
+      'id' => 29,
+      'uid' => '0',
+      'sku' => 'USB-BLU-16',
+      'price' => '17.990000',
+      'currency' => 'USD',
+      'product_id' => '29',
+      'variation_title' => 'Storage 1',
+      'variation_bundle' => 'default',
+    ];
+    $this->assertProductVariationEntity($variation['id'], $variation['uid'], $variation['sku'], $variation['price'], $variation['currency'], $variation['product_id'], $variation['variation_title'], $variation['variation_bundle']);
+    $variation = [
+      'id' => 30,
+      'uid' => '0',
+      'sku' => 'USB-BLU-32',
+      'price' => '29.990000',
+      'currency' => 'USD',
+      'product_id' => '30',
+      'variation_title' => 'Storage 1',
+      'variation_bundle' => 'default',
+    ];
+    $this->assertProductVariationEntity($variation['id'], $variation['uid'], $variation['sku'], $variation['price'], $variation['currency'], $variation['product_id'], $variation['variation_title'], $variation['variation_bundle']);
+
   }
 
   /**
@@ -58,94 +133,2 @@
 
-  /**
-   * Products data provider.
-   */
-  public function variationsProvider() {
-    return [
-      'TOT1-GRN-OS' => [
-        [
-          'id' => 1,
-          'uid' => '0',
-          'sku' => 'TOT1-GRN-OS',
-          'price' => '16.000000',
-          'currency' => 'USD',
-          'product_id' => '1',
-          'variation_title' => 'Tote Bag 1',
-          'variation_bundle' => 'default',
-        ],
-      ],
-      'HAT1-GRY-OS' => [
-        [
-          'id' => 11,
-          'uid' => '0',
-          'sku' => 'HAT1-GRY-OS',
-          'price' => '16.000000',
-          'currency' => 'USD',
-          'product_id' => '11',
-          'variation_title' => 'Hat 1',
-          'variation_bundle' => 'default',
-        ],
-      ],
-      'SHO2-PRL-04' => [
-        [
-          'id' => 19,
-          'uid' => '0',
-          'sku' => 'SHO2-PRL-04',
-          'price' => '40.000000',
-          'currency' => 'USD',
-          'product_id' => '19',
-          'variation_title' => 'Shoe 2',
-          'variation_bundle' => 'default',
-        ],
-      ],
-      'SHO2-PRL-05' => [
-        [
-          'id' => 20,
-          'uid' => '0',
-          'sku' => 'SHO2-PRL-05',
-          'price' => '40.000000',
-          'currency' => 'USD',
-          'product_id' => '20',
-          'variation_title' => 'Shoe 2',
-          'variation_bundle' => 'default',
-        ],
-      ],
-      'USB-BLU-08' => [
-        [
-          'id' => 28,
-          'uid' => '0',
-          'sku' => 'USB-BLU-08',
-          'price' => '11.990000',
-          'currency' => 'USD',
-          'product_id' => '28',
-          'variation_title' => 'Storage 1',
-          'variation_bundle' => 'default',
-        ],
-      ],
-      'USB-BLU-16' => [
-        [
-          'id' => 29,
-          'uid' => '0',
-          'sku' => 'USB-BLU-16',
-          'price' => '17.990000',
-          'currency' => 'USD',
-          'product_id' => '29',
-          'variation_title' => 'Storage 1',
-          'variation_bundle' => 'default',
-        ],
-      ],
-      'USB-BLU-32' => [
-        [
-          'id' => 30,
-          'uid' => '0',
-          'sku' => 'USB-BLU-32',
-          'price' => '29.990000',
-          'currency' => 'USD',
-          'product_id' => '30',
-          'variation_title' => 'Storage 1',
-          'variation_bundle' => 'default',
-        ],
-      ],
-    ];
-  }
-
 }