Fixes Spree::User model specs for the new fixed behaviour of Spree::U…

…serMethods

spree/spree#7430 in spree fixed user deletion
validation and this caused some outdated specs in spree_auth_devise to
fail.

spec/models/user_spec.rb

@@ -15,8 +15,8 @@
   end
 
   context '#destroy' do
-    it 'will soft delete' do
-      order = build(:order, completed_at: Time.now)
+    it 'will soft delete with uncompleted orders' do
+      order = build(:order)
       order.save
       user = order.user
       user.destroy
@@ -28,6 +28,13 @@
       expect(Spree::Order.where(user_id: user.id).first).to eq(order)
     end
 
+    it 'will not soft delete with completed orders' do
+      order = build(:order, completed_at: Time.now)
+      order.save
+      user = order.user
+      expect { user.destroy }.to raise_error(Spree::Core::DestroyWithOrdersError)
+    end
+
     it 'will allow users to register later with same email address as previously deleted account' do
       user1 = build(:user)
       user1.save