[Tooling] Exclude retries when making sure tests are not failing (#15236)

Author: iangmaia

fastlane/Fastfile

@@ -1324,8 +1324,8 @@ lane :test_without_building do |options|
     fail_build: true
   )
 
-  # Trainer sometimes doesn't detect test failures, so we manually throw an error in the lane if there are failures to make sure there are no false positives
-  UI.user_error!("Tests failed with #{tests_result[:number_of_failures]} failures.") if tests_result[:number_of_failures].positive?
+  # `trainer` sometimes doesn't detect test failures, so we manually throw an error in the lane if there are failures to make sure there are no false positives
+  UI.user_error!("Tests failed with #{tests_result[:number_of_failures_excluding_retries]} failures.") if tests_result[:number_of_failures_excluding_retries].positive?
 end
 
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