Fix msal automation (#2101)

Author: kaisong1990

azure_pipelines/automation.yml

@@ -59,14 +59,20 @@ jobs:
   
   - script: 'gem install xcpretty'
     displayName: 'Install xcpretty'
+
+
+  - task: DownloadSecureFile@1
+    name: configuration
+    displayName: 'Get Automation conf.json'
+    inputs:
+      secureFile: 'broker-automation-conf.json'
 
   - task: Bash@3
     displayName: Build for testing
     inputs:
       targetType: 'inline'
-      script: |        
-        echo $(AppleAutomationBase64) > "MSAL/test/automation/conf_encoded.json"
-        base64 --decode -i MSAL/test/automation/conf_encoded.json -o MSAL/test/automation/conf.json
+      script: |
+        mv $(configuration.secureFilePath) MSAL/test/automation/conf.json
         ruby TestRubyFile.rb
         xcodebuild build-for-testing \
           -workspace MSAL.xcworkspace \
@@ -76,7 +82,7 @@ jobs:
           -derivedDataPath 'build' \
           | tee xcodebuild.log \
           | xcpretty -c
-  
+
   - task: Bash@3
     displayName: Run automations
     inputs:
@@ -138,4 +144,4 @@ jobs:
         issue_title = "Automation tests failure"
         issue_body = '''@AzureAD/appleidentity \nAutomation failed for [$(repositoryName)]({0}) ran against commit : {1} \n Pipeline URL : [{2}]({2})'''.format('$(Build.Repository.Uri)', git_commit, pipeline_uri) 
         github.create_issue(github_org, repo, issue_title, issue_body, labels=['automation failure'])
-  
+