Maintenance: Stabilize selector test

spec/requests/selector_spec.rb

@@ -46,9 +46,9 @@ RSpec.describe 'Selector', authenticated_as: :admin, type: :request do
   end
 
   describe 'User' do
-    let(:user_1)   { create(:user) }
-    let(:user_2)   { create(:user) }
-    let(:user_3)   { create(:user) }
+    let(:user_1)   { create(:user, firstname: 'User-1') }
+    let(:user_2)   { create(:user, firstname: 'User-2') }
+    let(:user_3)   { create(:user, firstname: 'User-3') }
 
     before do
       user_1 && user_2 && user_3
@@ -86,9 +86,9 @@ RSpec.describe 'Selector', authenticated_as: :admin, type: :request do
   end
 
   describe 'Organization' do
-    let(:organization_1)   { create(:organization) }
-    let(:organization_2)   { create(:organization) }
-    let(:organization_3)   { create(:organization) }
+    let(:organization_1)   { create(:organization, name: 'Org-1') }
+    let(:organization_2)   { create(:organization, name: 'Org-2') }
+    let(:organization_3)   { create(:organization, name: 'Org-3') }
 
     before do
       organization_1 && organization_2 && organization_3