Specs for modal component

ee/app/assets/javascripts/pages/admin/cloud_licenses/components/subscription_activation_form.vue

@@ -148,7 +148,11 @@ export default {
         :invalid-feedback="$options.i18n.fieldRequiredMessage"
         data-testid="form-group-terms"
       >
-        <gl-form-checkbox v-model="form.fields.terms.state" :state="isCheckboxValid">
+        <gl-form-checkbox
+          id="subscription-form-terms-check"
+          v-model="form.fields.terms.state"
+          :state="isCheckboxValid"
+        >
           <gl-sprintf :message="$options.i18n.acceptTerms">
             <template #link="{ content }">
               <gl-link href="https://about.gitlab.com/terms/" target="_blank"

ee/spec/features/admin/cloud_licences/admin_views_cloud_license_spec.rb

@@ -43,6 +43,39 @@ RSpec.describe 'Admin views Cloud License', :js do
         expect(page).to have_content('You can no longer sync your subscription details with GitLab. Get help for the most common connectivity issues by troubleshooting the activation code')
       end
     end
+
+    context 'activate another subscription' do
+      before do
+        click_button('Enter activation code')
+      end
+
+      it 'shows the activation modal' do
+        page.within(find('#subscription-activation-modal', match: :first)) do
+          expect(page).to have_content('Activate subscription')
+        end
+      end
+
+      it 'displays an error when the activation fails' do
+        stub_request(:post, EE::SUBSCRIPTIONS_GRAPHQL_URL).to_return(status: 422, body: '', headers: {})
+
+        page.within(find('#subscription-activation-modal', match: :first)) do
+          fill_activation_form
+
+          expect(page).to have_content('An error occurred while activating your subscription.')
+        end
+      end
+
+      it 'displays a connectivity error' do
+        stub_request(:post, EE::SUBSCRIPTIONS_GRAPHQL_URL)
+          .to_return(status: 500, body: '', headers: {})
+
+        page.within(find('#subscription-activation-modal', match: :first)) do
+          fill_activation_form
+
+          expect(page).to have_content('There is a connectivity issue.')
+        end
+      end
+    end
   end
 
   context 'when there is no license' do
@@ -68,4 +101,12 @@ RSpec.describe 'Admin views Cloud License', :js do
       end
     end
   end
+
+  private
+
+  def fill_activation_form
+    fill_in 'activationCode', with: 'fake-activation-code'
+    check 'subscription-form-terms-check'
+    click_button 'Activate'
+  end
 end