Merge branch '61365-consider-setting-rspec-full_backtrace-only-in-ci' into 'master'

Resolve "Consider setting RSpec `full_backtrace` only in CI"

Closes #61365

See merge request gitlab-org/gitlab-ce!28051

spec/spec_helper.rb

@@ -53,7 +53,7 @@ RSpec.configure do |config|
   config.display_try_failure_messages = true
 
   config.infer_spec_type_from_file_location!
-  config.full_backtrace = true
+  config.full_backtrace = !!ENV['CI']
 
   config.define_derived_metadata(file_path: %r{/spec/}) do |metadata|
     location = metadata[:location]