Set Geocoder to use the test provider on tests

config/initializers/geocode.rb

@@ -3,8 +3,8 @@
 # License: AGPL-3.0-or-later WITH Web-Template-Output-Additional-Permission-3.0-or-later
 Geocoder.configure(
   cache: Rails.cache,
-  lookup: :google,
+  lookup: Rails.env == 'test' ? :test : :google,
   use_https: true,
   api_key: ENV['GOOGLE_API_KEY'],
   timeout: 10
-)
+)

spec/rails_helper.rb

@@ -72,4 +72,16 @@ RSpec.configure do |config|
   config.include Devise::Test::ControllerHelpers, type: :controller
   config.include Devise::Test::IntegrationHelpers, type: :request
   config.include RSpec::Rails::RequestExampleGroup, type: :request, file_path: %r{spec/api}
+  Geocoder::Lookup::Test.set_default_stub(
+    [
+      {
+        'coordinates'  => [44.2876041,-88.4671082],
+        'address'      => 'Appleton, WI, USA',
+        'state'        => 'Appleton',
+        'state_code'   => 'WI',
+        'country'      => 'United States',
+        'country_code' => 'US'
+      }
+    ]
+  )
 end