update(docs simplecov): add an example of using simplecov with Minite…

…st in Queue Mode after the knapsack_pro gem 6.0.4 release

Related: KnapsackPro/knapsack_pro-ruby#257

docusaurus/docs/ruby/simplecov.md

@@ -11,6 +11,8 @@ This is needed only if you are using Knapsack Pro in [Queue Mode](../overview/in
 
 :::
 
+## RSpec
+
 Apply the following patch:
 
 ```ruby
@@ -28,3 +30,41 @@ end
 This is needed to avoid conflicts between code coverage reports generated by parallel CI nodes.
 
 If the local drive is common between parallel nodes on your CI, `simplecov` will generate a single report at `coverage/index.html` with merged data. Otherwise, you can refer to [How to merge CodeClimate reports for parallel jobs (CI nodes)](https://docs.knapsackpro.com/2019/how-to-merge-codeclimate-reports-for-parallel-jobs-ci-nodes) or [How to merge SimpleCov results with parallel Rails specs on Semaphore CI](https://docs.knapsackpro.com/2020/how-to-merge-simplecov-results-with-parallel-rails-specs).
+
+## Minitest
+
+Apply the following patch:
+
+```ruby
+# test_helper.rb
+require 'simplecov'
+
+SimpleCov.start
+
+KnapsackPro::Hooks::Queue.before_queue do |queue_id|
+  SimpleCov.command_name("minitest_ci_node_#{KnapsackPro::Config::Env.ci_node_index}")
+end
+
+KnapsackPro::Hooks::Queue.after_queue do
+  SimpleCov.result.format!
+end
+```
+
+This is needed to avoid conflicts between code coverage reports generated by parallel CI nodes.
+
+<details>
+  <summary>For legacy versions of `knapsack_pro` older than 6.0.4, please click here.</summary>
+
+  ```ruby
+  # test_helper.rb
+  require 'simplecov'
+
+  SimpleCov.start
+
+  KnapsackPro::Hooks::Queue.before_queue do |queue_id|
+    SimpleCov.command_name("minitest_ci_node_#{KnapsackPro::Config::Env.ci_node_index}")
+  end
+  ```
+
+</details>
+