MAGETWO-94556: Undefined variables during product save

- Fixed js unit test;

Author: Alexey Yakimovich

dev/tests/js/jasmine/tests/app/code/Magento/ConfigurableProduct/view/adminhtml/web/js/variations/variations.test.js

@@ -164,8 +164,8 @@ define([
 
             variation.serializeData();
 
-            expect(variation.source.data['configurable-matrix']).toBeUndefined();
-            expect(variation.source.data['associated_product_ids']).toBeUndefined();
+            expect(variation.source.data['configurable-matrix']).toEqual(matrix);
+            expect(variation.source.data['associated_product_ids']).toEqual(ids);
             expect(variation.source.data['configurable-matrix-serialized']).toEqual(resultMatrix);
             expect(variation.source.data['associated_product_ids_serialized']).toEqual(resultIds);