diff --git a/rails_application/test/integration/products_test.rb b/rails_application/test/integration/products_test.rb
new file mode 100644
index 000000000..e6bcabbb1
--- /dev/null
+++ b/rails_application/test/integration/products_test.rb
@@ -0,0 +1,18 @@
+require "test_helper"
+
+class ProductsTest < InMemoryRESIntegrationTestCase
+  cover "Products*"
+
+  def test_add_product_with_worng_vat_rate_code
+    product_id = SecureRandom.uuid
+    post "/products",
+         params: {
+           "authenticity_token" => "[FILTERED]",
+           "product_id" => SecureRandom.uuid,
+           "name" => "Product 1",
+           "vat_rate" => "50",
+         }
+    follow_redirect!
+    assert_select("#notice", "Selected VAT rate not applicable")
+  end
+end