fix(rails): avoid filter_parameters accumulation between spec runs

Author: solnic

sentry-rails/spec/dummy/test_rails_app/app.rb

@@ -58,7 +58,6 @@ def self.name
   app.config.active_job.queue_adapter = :test
   app.config.cache_store = :memory_store
   app.config.action_controller.perform_caching = true
-  app.config.filter_parameters += [:password, :secret]
 
   # Eager load namespaces can be accumulated after repeated initializations and make initialization
   # slower after each run
@@ -70,15 +69,15 @@ def self.name
   configure_app(app)
 
   # Configure parameter filtering for consistent test behavior
-  app.config.filter_parameters.concat(
-    [:custom_secret,
-     :api_key,
-     :credit_card,
-     :authorization,
-     :password,
-     :token]
-  )
-  app.config.filter_parameters.uniq!
+  app.config.filter_parameters = [
+    :password,
+    :secret,
+    :custom_secret,
+    :api_key,
+    :credit_card,
+    :authorization,
+    :token
+  ]
 
   app.routes.append do
     get "/exception", to: "hello#exception"

sentry-rails/spec/dummy/test_rails_app/configs/7-1.rb

@@ -30,6 +30,8 @@ def run_pre_initialize_cleanup
   # Rails 7.1 stores the error reporter directly under the ActiveSupport class.
   # So we need to make sure the subscriber is not subscribed unexpectedly before any tests
   ActiveSupport.error_reporter.unsubscribe(Sentry::Rails::ErrorSubscriber)
+
+  ActiveSupport.filter_parameters.clear
 end
 
 def configure_app(app)

sentry-rails/spec/dummy/test_rails_app/configs/7-2.rb

@@ -30,6 +30,8 @@ def run_pre_initialize_cleanup
   # Rails 7.1 stores the error reporter directly under the ActiveSupport class.
   # So we need to make sure the subscriber is not subscribed unexpectedly before any tests
   ActiveSupport.error_reporter.unsubscribe(Sentry::Rails::ErrorSubscriber)
+
+  ActiveSupport.filter_parameters.clear
 end
 
 def configure_app(app)

sentry-rails/spec/spec_helper.rb

@@ -64,6 +64,8 @@
     end
 
     reset_sentry_globals!
+
+    Rails.application = nil
   end
 
   config.before :each do