Add newline each test script

tool/test_for_warn_bundled_gems/test.sh

@@ -2,33 +2,44 @@
 
 echo "* Show warning require and LoadError"
 ruby test_warn_bundled_gems.rb
+echo
 
 echo "* Show warning when bundled gems called as dependency"
 ruby test_warn_dependency.rb
+echo
 
 echo "* Show warning sub-feature like bigdecimal/util"
 ruby test_warn_sub_feature.rb
+echo
 
 echo "* Show warning dash gem like net/smtp"
 ruby test_warn_dash_gem.rb
+echo
 
 echo "* Show warning when bundle exec with ruby and script"
 bundle exec ruby test_warn_bundle_exec.rb
+echo
 
 echo "* Show warning when bundle exec with shebang's script"
 bundle exec ./test_warn_bundle_exec_shebang.rb
+echo
 
 echo "* Don't show warning bundled gems on Gemfile"
 ruby test_no_warn_dependency.rb
+echo
 
 echo "* Don't show warning with bootsnap"
 ruby test_no_warn_bootsnap.rb
+echo
 
 echo "* Don't show warning with zeitwerk"
 ruby test_no_warn_zeitwerk.rb
+echo
 
 echo "* Don't show warning with net/smtp when net-smtp on Gemfile"
 ruby test_no_warn_dash_gem.rb
+echo
 
 echo "* Don't show warning bigdecimal/util when bigdecimal on Gemfile"
 ruby test_no_warn_sub_feature.rb
+echo