fix!: check if span has the attributes method to avoid internal error

instrumentation/aws_lambda/lib/opentelemetry/instrumentation/aws_lambda/wrap.rb

@@ -43,7 +43,7 @@ def wrap_lambda(event:, context:, handler:, flush_timeout: DEFAULT_FLUSH_TIMEOUT
               begin
                 response = yield
 
-                unless span.attributes.key?(OpenTelemetry::SemanticConventions::Trace::HTTP_STATUS_CODE)
+                if span.recording? && !span.attributes.key?(OpenTelemetry::SemanticConventions::Trace::HTTP_STATUS_CODE)
                   status_code = response['statusCode'] || response[:statusCode] if response.is_a?(Hash)
                   span.set_attribute(OpenTelemetry::SemanticConventions::Trace::HTTP_STATUS_CODE, status_code) if status_code
                 end

instrumentation/aws_lambda/test/opentelemetry/instrumentation_test.rb

@@ -215,6 +215,25 @@
         end
       end
     end
+
+    describe 'no raise error when the span is not recording' do
+      it 'no raise error' do
+        otel_wrapper = OpenTelemetry::Instrumentation::AwsLambda::Handler.new
+        tracer = OpenTelemetry.tracer_provider.tracer
+
+        OpenTelemetry::Trace.stub(:with_span, lambda { |_span, &block|
+          block.call(OpenTelemetry::Trace::Span::INVALID, OpenTelemetry::Context.current)
+        }) do
+          tracer.stub(:in_span, lambda { |_name, **_kwargs, &block|
+            block.call(OpenTelemetry::Trace::Span::INVALID, OpenTelemetry::Context.current)
+          }) do
+            otel_wrapper.stub(:call_original_handler, {}) do
+              assert otel_wrapper.call_wrapped(event: sqs_record, context: context)
+            end
+          end
+        end
+      end
+    end
   end
 
   describe 'validate_if_span_is_registered' do