[Ruby] add file download tests (#17362)

* add new ruby echo api clients

* add tests for ruby faraday file download

* add file download test to ruby Typhoeus

* add ruby workflow, add tests for ruby httpx

* update

* fix

samples/client/echo_api/ruby-faraday/docs/AuthApi.md

@@ -0,0 +1,142 @@
+# OpenapiClient::AuthApi
+
+All URIs are relative to *http://localhost:3000*
+
+| Method | HTTP request | Description |
+| ------ | ------------ | ----------- |
+| [**test_auth_http_basic**](AuthApi.md#test_auth_http_basic) | **POST** /auth/http/basic | To test HTTP basic authentication |
+| [**test_auth_http_bearer**](AuthApi.md#test_auth_http_bearer) | **POST** /auth/http/bearer | To test HTTP bearer authentication |
+
+
+## test_auth_http_basic
+
+> String test_auth_http_basic
+
+To test HTTP basic authentication
+
+To test HTTP basic authentication
+
+### Examples
+
+```ruby
+require 'time'
+require 'openapi_client'
+# setup authorization
+OpenapiClient.configure do |config|
+  # Configure HTTP basic authorization: http_auth
+  config.username = 'YOUR USERNAME'
+  config.password = 'YOUR PASSWORD'
+end
+
+api_instance = OpenapiClient::AuthApi.new
+
+begin
+  # To test HTTP basic authentication
+  result = api_instance.test_auth_http_basic
+  p result
+rescue OpenapiClient::ApiError => e
+  puts "Error when calling AuthApi->test_auth_http_basic: #{e}"
+end
+```
+
+#### Using the test_auth_http_basic_with_http_info variant
+
+This returns an Array which contains the response data, status code and headers.
+
+> <Array(String, Integer, Hash)> test_auth_http_basic_with_http_info
+
+```ruby
+begin
+  # To test HTTP basic authentication
+  data, status_code, headers = api_instance.test_auth_http_basic_with_http_info
+  p status_code # => 2xx
+  p headers # => { ... }
+  p data # => String
+rescue OpenapiClient::ApiError => e
+  puts "Error when calling AuthApi->test_auth_http_basic_with_http_info: #{e}"
+end
+```
+
+### Parameters
+
+This endpoint does not need any parameter.
+
+### Return type
+
+**String**
+
+### Authorization
+
+[http_auth](../README.md#http_auth)
+
+### HTTP request headers
+
+- **Content-Type**: Not defined
+- **Accept**: text/plain
+
+
+## test_auth_http_bearer
+
+> String test_auth_http_bearer
+
+To test HTTP bearer authentication
+
+To test HTTP bearer authentication
+
+### Examples
+
+```ruby
+require 'time'
+require 'openapi_client'
+# setup authorization
+OpenapiClient.configure do |config|
+  # Configure Bearer authorization: http_bearer_auth
+  config.access_token = 'YOUR_BEARER_TOKEN'
+end
+
+api_instance = OpenapiClient::AuthApi.new
+
+begin
+  # To test HTTP bearer authentication
+  result = api_instance.test_auth_http_bearer
+  p result
+rescue OpenapiClient::ApiError => e
+  puts "Error when calling AuthApi->test_auth_http_bearer: #{e}"
+end
+```
+
+#### Using the test_auth_http_bearer_with_http_info variant
+
+This returns an Array which contains the response data, status code and headers.
+
+> <Array(String, Integer, Hash)> test_auth_http_bearer_with_http_info
+
+```ruby
+begin
+  # To test HTTP bearer authentication
+  data, status_code, headers = api_instance.test_auth_http_bearer_with_http_info
+  p status_code # => 2xx
+  p headers # => { ... }
+  p data # => String
+rescue OpenapiClient::ApiError => e
+  puts "Error when calling AuthApi->test_auth_http_bearer_with_http_info: #{e}"
+end
+```
+
+### Parameters
+
+This endpoint does not need any parameter.
+
+### Return type
+
+**String**
+
+### Authorization
+
+[http_bearer_auth](../README.md#http_bearer_auth)
+
+### HTTP request headers
+
+- **Content-Type**: Not defined
+- **Accept**: text/plain
+