fix: rubocp edits

Author: hannahramadan

instrumentation/grape/test/test_helper.rb

@@ -49,9 +49,9 @@ def build_rack_app(api_class)
     elsif values.include?('http')
       use(*OpenTelemetry::Instrumentation::Rack::Instrumentation.instance.middleware_args_stable)
     else
-      use(*OpenTelemetry::Instrumentation::Rack::Instrumentation.instance.middleware_args_old)  
+      use(*OpenTelemetry::Instrumentation::Rack::Instrumentation.instance.middleware_args_old)
     end
-    
+
     run api_class
   end
   Rack::MockRequest.new(builder)

instrumentation/sinatra/lib/opentelemetry/instrumentation/sinatra/instrumentation.rb

@@ -54,12 +54,14 @@ def install_middleware(app)
           stability_opt_in = ENV.fetch('OTEL_SEMCONV_STABILITY_OPT_IN', '')
           values = stability_opt_in.split(',').map(&:strip)
 
-          if values.include?('http/dup')
-            app.use(*OpenTelemetry::Instrumentation::Rack::Instrumentation.instance.middleware_args_dup) if config[:install_rack]
-          elsif values.include?('http')
-            app.use(*OpenTelemetry::Instrumentation::Rack::Instrumentation.instance.middleware_args_stable) if config[:install_rack]
-          else
-            app.use(*OpenTelemetry::Instrumentation::Rack::Instrumentation.instance.middleware_args_old) if config[:install_rack]
+          if config[:install_rack]
+            if values.include?('http/dup')
+              app.use(*OpenTelemetry::Instrumentation::Rack::Instrumentation.instance.middleware_args_dup)
+            elsif values.include?('http')
+              app.use(*OpenTelemetry::Instrumentation::Rack::Instrumentation.instance.middleware_args_stable)
+            else
+              app.use(*OpenTelemetry::Instrumentation::Rack::Instrumentation.instance.middleware_args_old)
+            end
           end
 
           app.use(Middlewares::TracerMiddleware)