Fix specs due to upstream changes on states_required field

Country factory was changed to assign a realistic states_required field.
We update our test suite to account for this change.

See solidusio/solidus#4272

[skip ci]

spec/integration/mutations/checkout/add_addresses_to_checkout_spec.rb

@@ -13,7 +13,7 @@
     ]
   }
 
-  let(:country_id) { SolidusGraphqlApi::Schema.id_from_object(create(:country), nil, nil) }
+  let(:country_id) { SolidusGraphqlApi::Schema.id_from_object(create(:country, states_required: false), nil, nil) }
   let(:address) {
     address = build_stubbed(:address).slice(:address1, :city, :phone, :zipcode)
     address[:countryId] = country_id

spec/integration/queries/countries_spec.rb

@@ -9,8 +9,8 @@
     end
 
     context 'when countries exists' do
-      let!(:us_country) { create(:country, :with_states, id: 1) }
-      let!(:it_country) { create(:country, id: 2, iso: 'IT') }
+      let!(:us_country) { create(:country, :with_states, id: 1, states_required: false) }
+      let!(:it_country) { create(:country, id: 2, iso: 'IT', states_required: false) }
 
       it { is_expected.to match_response(:countries) }
     end

spec/integration/queries/current_user_spec.rb

@@ -12,8 +12,13 @@
            bill_address: bill_address)
   }
 
-  let(:ship_address) { create(:ship_address, id: 1, zipcode: 10_001) }
-  let(:bill_address) { create(:bill_address, id: 2, zipcode: 10_002) }
+  # Previos to Solidus v3.3, states_required was always false and the state was
+  # always automatically assigned. We force the behavior here to have the same
+  # response for any Solidus version.
+  let(:country) { create(:country, states_required: false) }
+  let(:state) { create(:state, name: "Alabama", abbr: "AL", country: country)}
+  let(:ship_address) { create(:ship_address, id: 1, zipcode: 10_001, country: country, state: state) }
+  let(:bill_address) { create(:bill_address, id: 2, zipcode: 10_002, country: country, state: state) }
   let(:credit_card) {
     create(:credit_card,
            user: user,