diff --git a/.simplecov_spawn.rb b/.simplecov_spawn.rb
index 0f27d808..040e7669 100644
--- a/.simplecov_spawn.rb
+++ b/.simplecov_spawn.rb
@@ -4,12 +4,12 @@
   require 'simplecov'
   require 'simplecov-cobertura'
 
-  SimpleCov.command_name 'spawn'
   SimpleCov.at_fork.call(Process.pid)
   SimpleCov.formatter SimpleCov::Formatter::MultiFormatter.new([
     SimpleCov::Formatter::CoberturaFormatter,
   ])
   SimpleCov.start do
     add_filter '/spec/'
+    add_filter '/scripts/'
   end
 end
diff --git a/scripts/rspec_with_simplecov b/scripts/rspec_with_simplecov
index a3f73ac6..b6fa6544 100755
--- a/scripts/rspec_with_simplecov
+++ b/scripts/rspec_with_simplecov
@@ -36,10 +36,8 @@ begin
     require 'simplecov'
 
     SimpleCov.start do
-      add_filter './bundle/'
-      add_filter './tmp/'
-      add_filter './spec/'
-      minimum_coverage(RUBY_PLATFORM == 'java' ? 94 : 97)
+      # Flaky :(
+      # enable_coverage :branch
     end
   end
 rescue LoadError
diff --git a/spec/rails/app/controllers/users_controller.rb b/spec/rails/app/controllers/users_controller.rb
index e15eead5..8acafe6b 100644
--- a/spec/rails/app/controllers/users_controller.rb
+++ b/spec/rails/app/controllers/users_controller.rb
@@ -16,6 +16,10 @@ def show
     render json: find_user(params[:id])
   end
 
+  def active
+    render json: find_user(params[:id]).present?
+  end
+
   private
 
   def find_user(id = nil)
diff --git a/spec/rails/config/routes.rb b/spec/rails/config/routes.rb
index ad083baf..a0737865 100644
--- a/spec/rails/config/routes.rb
+++ b/spec/rails/config/routes.rb
@@ -10,7 +10,9 @@
         post 'upload_multiple'
       end
     end
-    resources :users,  only: [:show, :create]
+    resources :users,  only: [:show, :create] do
+      get 'active'
+    end
 
     get '/test_block' => ->(_env) { [200, { 'Content-Type' => 'text/plain' }, ['A TEST']] }
   end
diff --git a/spec/rails/doc/smart/expected.yaml b/spec/rails/doc/smart/expected.yaml
index 6e5536d4..aebfa2cf 100644
--- a/spec/rails/doc/smart/expected.yaml
+++ b/spec/rails/doc/smart/expected.yaml
@@ -207,6 +207,26 @@ paths:
         schema:
           type: integer
         example: 2
+  "/users/{user_id}/active":
+    get:
+      responses:
+        "200":
+          description: "returns a boolean"
+          content:
+            "application/json":
+              schema:
+                type: boolean
+              example: true
+      summary: active
+      tags:
+        - User
+      parameters:
+        - name: user_id
+          in: path
+          required: true
+          schema:
+            type: integer
+          example: 1
 components:
   securitySchemes:
     Scheme1:
diff --git a/spec/requests/rails_smart_merge_spec.rb b/spec/requests/rails_smart_merge_spec.rb
index 72002191..eaa5c96a 100644
--- a/spec/requests/rails_smart_merge_spec.rb
+++ b/spec/requests/rails_smart_merge_spec.rb
@@ -102,4 +102,11 @@
       expect(response.status).to eq(200)
     end
   end
+
+  describe '#active' do
+    it 'returns a boolean' do
+      get '/users/1/active'
+      expect(response.status).to eq(200)
+    end
+  end
 end
diff --git a/spec/requests/rails_spec.rb b/spec/requests/rails_spec.rb
index d97e1512..186174a1 100644
--- a/spec/requests/rails_spec.rb
+++ b/spec/requests/rails_spec.rb
@@ -70,6 +70,11 @@
       get '/tables/2', headers: { authorization: 'k0kubun' }
       expect(response.status).to eq(404)
     end
+
+    it 'does not return a table if not found (openapi: false)', openapi: false do
+      get '/tables/3', headers: { authorization: 'k0kubun' }
+      expect(response.status).to eq(404)
+    end
   end
 
   describe '#create' do