[Java][resttemplate] Add test for bearer auth (#17081)

* add bearer auth API to echo-api

* run generate-samples.sh

* add resttemplate echo-api sample

* add bearer auth test

* remove @Ignore

samples/client/echo_api/powershell/docs/AuthApi.md

@@ -5,6 +5,7 @@ All URIs are relative to *http://localhost:3000*
 Method | HTTP request | Description
 ------------- | ------------- | -------------
 [**Test-AuthHttpBasic**](AuthApi.md#Test-AuthHttpBasic) | **POST** /auth/http/basic | To test HTTP basic authentication
+[**Test-AuthHttpBearer**](AuthApi.md#Test-AuthHttpBearer) | **POST** /auth/http/bearer | To test HTTP bearer authentication
 
 
 <a id="Test-AuthHttpBasic"></a>
@@ -51,3 +52,44 @@ This endpoint does not need any parameter.
 
 [[Back to top]](#) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to Model list]](../README.md#documentation-for-models) [[Back to README]](../README.md)
 
+<a id="Test-AuthHttpBearer"></a>
+# **Test-AuthHttpBearer**
+> String Test-AuthHttpBearer<br>
+
+To test HTTP bearer authentication
+
+To test HTTP bearer authentication
+
+### Example
+```powershell
+# general setting of the PowerShell module, e.g. base URL, authentication, etc
+$Configuration = Get-Configuration
+
+
+# To test HTTP bearer authentication
+try {
+    $Result = Test-AuthHttpBearer
+} catch {
+    Write-Host ("Exception occurred when calling Test-AuthHttpBearer: {0}" -f ($_.ErrorDetails | ConvertFrom-Json))
+    Write-Host ("Response headers: {0}" -f ($_.Exception.Response.Headers | ConvertTo-Json))
+}
+```
+
+### 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
+
+[[Back to top]](#) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to Model list]](../README.md#documentation-for-models) [[Back to README]](../README.md)
+