test: reset Current.user after spec (#8123)

spec/models/macro_spec.rb

@@ -4,6 +4,11 @@ RSpec.describe Macro do
   let(:account) { create(:account) }
   let(:admin) { create(:user, account: account, role: :administrator) }
 
+  after do
+    Current.user = nil
+    Current.account = nil
+  end
+
   describe 'associations' do
     it { is_expected.to belong_to(:account) }
   end