Reduce the number of api calls when testing rate limiting

Reduce the number of actual api calls to 2 per test when testing
rate limiting.

config/initializers/rack_attack.rb

@@ -1,21 +1,21 @@
 class Rack::Attack
   # Throttle login attempts by IP address
-  throttle('logins/ip', limit: CheckConfig.get('login_rate_limit', 10, :integer), period: 60.seconds) do |req|
+  throttle('logins/ip', limit: proc { CheckConfig.get('login_rate_limit', 10, :integer) }, period: 60.seconds) do |req|
     if req.path == '/api/users/sign_in' && req.post?
       req.ip
     end
   end
 
   # Throttle login attempts by email address
-  throttle('logins/email', limit: CheckConfig.get('login_rate_limit', 10, :integer), period: 60.seconds) do |req|
+  throttle('logins/email', limit: proc { CheckConfig.get('login_rate_limit', 10, :integer) }, period: 60.seconds) do |req|
     if req.path == '/api/users/sign_in' && req.post?
       # Return the email if present, nil otherwise
       req.params['user']['email'].presence if req.params['user']
     end
   end
 
-   # Throttle all graphql requests by IP address
-   throttle('api/graphql', limit: CheckConfig.get('api_rate_limit', 100, :integer), period: 60.seconds) do |req|
+  # Throttle all graphql requests by IP address
+  throttle('api/graphql', limit:  proc { CheckConfig.get('api_rate_limit', 100, :integer) }, period: 60.seconds) do |req|
     req.ip if req.path == '/api/graphql'
   end
 end

test/lib/check_rack_attack_test.rb

@@ -6,26 +6,27 @@ class ThrottlingTest < ActionDispatch::IntegrationTest
   end
 
   test "should throttle excessive requests to /api/graphql" do
-    limit = 100
+    stub_configs({ 'api_rate_limit' => 2 }) do
+      2.times do
+        post api_graphql_path
+        assert_response :unauthorized
+      end
 
-    limit.times do
       post api_graphql_path
-      assert_response :unauthorized
+      assert_response :too_many_requests
     end
-
-    get api_graphql_path
-    assert_response :too_many_requests
   end
 
   test "should throttle excessive requests to /api/users/sign_in" do
-    limit = 10
-    user_params = { api_user: { email: '[email protected]', password: 'password' } }
+    stub_configs({ 'login_rate_limit' => 2 }) do
+      user_params = { api_user: { email: '[email protected]', password: 'password' } }
+
+      2.times do
+        post api_user_session_path, params: user_params, as: :json
+      end
 
-    limit.times do
       post api_user_session_path, params: user_params, as: :json
+      assert_response :too_many_requests
     end
-
-    post api_user_session_path, params: user_params, as: :json
-    assert_response :too_many_requests
   end
 end