chore: Skip flaky test on CI

Test is now failing on Windows and MacOS intermittently

Author: kaylareopelle

logs_sdk/test/opentelemetry/sdk/logs/export/batch_log_record_processor_test.rb

@@ -472,8 +472,7 @@ def shutdown(timeout: nil)
     let(:processor) { BatchLogRecordProcessor.new(exporter) }
 
     it 'reports export failures' do
-      # This test is unreliable on Windows platforms, but works just fine on others
-      skip if Gem.win_platform?
+      skip 'Test is unreliable on Windows and MacOS CI' if ENV['CI']
 
       # skip the work method's behavior, we rely on shutdown to get us to the failures
       processor.stub(:work, nil) do