Since #29572, minitest options are available but are no longer showed
in help.
This fixed to show minitest option in help as with Rails 5.1.2.
**before**
```
./bin/rails t --help
You can run a single test by appending a line number to a filename:
bin/rails test test/models/user_test.rb:27
You can run multiple files and directories at the same time:
bin/rails test test/controllers test/integration/login_test.rb
By default test failures and errors are reported inline during a run.
Rails options:
-w, --warnings Run with Ruby warnings enabled
-e, --environment Run tests in the ENV environment
-b, --backtrace Show the complete backtrace
-d, --defer-output Output test failures and errors after the test run
-f, --fail-fast Abort test run on first failure or error
-c, --[no-]color Enable color in the output
```
**after**
```
./bin/rails t --help
You can run a single test by appending a line number to a filename:
bin/rails test test/models/user_test.rb:27
You can run multiple files and directories at the same time:
bin/rails test test/controllers test/integration/login_test.rb
By default test failures and errors are reported inline during a run.
minitest options:
-h, --help Display this help.
-s, --seed SEED Sets random seed. Also via env. Eg: SEED=n rake
-v, --verbose Verbose. Show progress processing files.
-n, --name PATTERN Filter run on /regexp/ or string.
--exclude PATTERN Exclude /regexp/ or string from run.
Known extensions: rails, pride
-w, --warnings Run with Ruby warnings enabled
-e, --environment Run tests in the ENV environment
-b, --backtrace Show the complete backtrace
-d, --defer-output Output test failures and errors after the test run
-f, --fail-fast Abort test run on first failure or error
-c, --[no-]color Enable color in the output
-p, --pride Pride. Show your testing pride!
```
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