fix rubocop offense

Author: yiyuan-he

resources/aws/test/opentelemetry/resource/detector/aws_test.rb

@@ -52,7 +52,6 @@ def assert_detection_result(detectors)
 
     it 'returns an empty resource when EC2 detection fails' do
       assert_detection_result([:ec2])
-
     end
 
     it 'returns an empty resource when ECS detection fails' do
@@ -111,7 +110,6 @@ def assert_detection_result(detectors)
         _(attributes[RESOURCE::HOST_ID]).must_equal('i-1234567890abcdef0')
         _(attributes[RESOURCE::HOST_TYPE]).must_equal('m5.xlarge')
         _(attributes[RESOURCE::HOST_NAME]).must_equal(hostname)
-
       end
 
       describe 'with succesefful ECS detection' do
@@ -228,4 +226,4 @@ def assert_detection_result(detectors)
       end
     end
   end
-end
+end